Burgess, R.G. (ed.). 1982. Field research: a sourcebook and field manual. London: George Allen & Unwin.
Barbie, E. 2001. The practice of social research. Belmont, California: Wadsworth.
Creswell, J.W. 2003. Research design: qualitative, quantitative and mixed methods approaches. 2nd ed. London: Sage Publication Inc.
Driessen, H. 1998. Introduction: trends, genres and cases in self-revelation. Focaal. 32: 7-13. Encyclopedia for life writing :three articles. http://www.valt.helsinki.fi/staff/jproos/encycl.htm (02 September 2004).
Gilbert, N. (ed.). 1993. Researching social life. London: Sage Publication.
Kluckhohn, C. 1982. The study of life history. In Burgess, R.G. (ed.). Field research: a sourcebook and field manual. London: George Allen & Unwin: 146-151.
Laws, S. et. al. 2003. Research for development: a practical guide. New Delhi:Vistaar Publications.
Neuman, W.L. 2005. Social Research Methods: Qualitative and Quantitative Approaches. 6th ed. Boston:Allyn & Bacon.
Park, R. E. & Burgess, E. W. 2003. Early conceptions of social problems & deviance. In Orcutt, J.D. (ed.). Analyzing Deviance. London: Dorsey Press: 31-42.
Sekaran, U. 2003. Research methods for business: a skill building approach. New York: John Wiley & Sons.