APA-viite (7. p.)
Kumar, R. (2014). Research Methodology: A Step by step Guide for Biginners (4th ed.). Sage.
Chicago-viite (17. p.)
Kumar, Ranjit. Research Methodology: A Step by Step Guide for Biginners. 4th ed. New Delhi: Sage, 2014.
MLA-viite (9. p.)
Kumar, Ranjit. Research Methodology: A Step by Step Guide for Biginners. 4th ed. Sage, 2014.
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