APA-viite (7. p.)
Kumar, R. (2005). Research methodology: A step by-by-step guide for beginners (2nd ed.). Sage Publications.
Chicago-viite (17. p.)
Kumar, Ranjit. Research Methodology: A Step By-by-step Guide for Beginners. 2nd ed. London: Sage Publications, 2005.
MLA-viite (9. p.)
Kumar, Ranjit. Research Methodology: A Step By-by-step Guide for Beginners. 2nd ed. Sage Publications, 2005.
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