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