1. Albert C. Whitaker, A. B. (2001). History and Criticism of The Labor Theory of Value in English Political Economy. Kitchener: Batoche Books.
2. Azid, T. (2005). The Concept and Nature of Labour in Islam: A Survey. Review of Islamic Economics Vol.09, No.2, 93-124.
3. Azwar, S. (2004). Metode Penelitian. Yogyakarta: Pustaka Pelajar.
4. Backhouse, R. E. (2004). History of economics, economics and economic history in Britain, 1824-2000. The Europian Journal of the History of Economic Thought,11:1, 107-121.
5. Boulakia, J. D. (1971). Ibnu Khaldun: A fourteenth century economist . Journal of Political, 1105-1118.
6. Cicero, M. T., & De Officiis. (1584). Ciceronis de officiis libri III: Cum Petri Marsi, Francisci Maturantii, Omniboni, Martini Philetici & Ascensii commentariis. Marii Nizolis defensiones. Venetiis: Apud Joan. Gryphium.
7. Dierkes Meinolf, Weiler , H. N., & Antal, A. B. (1987). Comparative Policy Research: Learning from Experience. New York: St.Martin press.
8. Dunlap, L. A. (1979). Social Production in Karl Marx . Review of Social Economy, Vol.37 No.3, 313-328.
9. Gillig, P. (2014). Marx's critique of “eternal” political economy: how Mill is alien to Marx's attacks. The European Journal of the History of Economic Thought, 01-22.
10. Gordon, D. F. (1959). What was The Labout Theory of Value? American Economic Review, Vol.49 No.2, 462-472.
11. Hart, C. (1998). Doing a literature review: releasing the social science research imagination. London/Thousand Oaks/New Delhi: SAGE Publication.
12. Heidenheimer, A. J., Heclo, H., & Adams, C. T. (1983). Comparative Public Policy. New York: St. Martin's Press.
13. Jamil, A. (1996). Seratus Muslim terkemuka. Jakarta: Pustaka Firdaus.
14. Karim, A. A. (2004). Sejarah Pemikiran Ekonomi Islam. Jakarta: PT.Raja Grafindo Persada.
15. Marx, K. (1887). Das Capital A Critique of Political Economy Volume 1, Eng.Edition. Moscow: Progress Publishers.
16. Melendez, C. B. (2013). Unpaid Reproductive Labour: A Marxist Analysis. Contradictions: Finance, Greed, and Labor Unequally Paid Research in Political Economy, Volume 28, 131-160.
17. Mészáros, I. (2006). Marx's Theory of Alienation. Brecon: Merlin Press.
18. Milios, J. (2009). Rethinking Marx's Value-Form Analysis from an AlthusserianPerspective. Rethinking Marxism: A Journal of Economics, Culture & Society, Vol.21 No.2, 260-274.
19. Mujahidin, M. (2018). The concept of economic thought Ibn Khaldun. Munich Personal RePEc Archive No.87143, 01-08.
20. Nicolaievsky, B., & Maenchen-Helfen, O. (1976/1936). Karl Marx: Man and Fighter. trans. Gwenda David and Eric Mosbacher. Harmondsworth and New York: Pelican.
21. Rae, J. (1895). Life of Adam Smith. London: Macmillan & Co.
22. Rothbard, M. N. (1995). An Austrian Perspective on the History of Economic Thought. Cheltenham, United Kingdom: Edward Elgar Publishing.
23. Samuels, W. J., Biddle, J. E., & Davis, J. B. (2003). A Companion to the History of Economic Thought. Malden: Blackwell Publishing.
24. Sartori, G. (1991). Comparing and miscomparing. Journal of theoretical politics, Vol.3 No.3, 243-257.
25. Smith, A. (2000). The Wealth of Nation Complete, Introduction by.Robert Reich. New York: Modern Library.
26. Syed, J., & Ali, A. J. (2010). Principles of employment relations in Islam: a normative view. Employee Relations Vol. 32 No. 5 , 454-469.
27. Tabakoglu, A. (1983). Labour and Capital Concept in Islamic Economic. The Second International Conference on Islamic Economics (pp. 01-124). Islamabad: International Islamic University of Pakistan.
28. Thompson, J. B. (1990). Ideology and Modern Culture: Critical Social Theory in the Era of Mass Communication. California: Standford University Press.
29. Wheen, F. (2011). Karl Marx. London: Fourth Estate.
30. Zainudin, R. (1992). Kekuasaan dan negara Pemikiran Politik Ibnu Khaldun. jakarta: Gramedia Pustaka Utama.