Kumar, R. (2014). Research Methodology: A step by step guide for beginners (4th ed.). Sage.
Chicago Style (17. basım) AtıfKumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. 4th ed. New Delhi: Sage, 2014.
MLA (9th ed.) AtıfKumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. 4th ed. Sage, 2014.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..