Kumar, R. (2014). Research methodology: A step-by-step guide for beginners (Fourth edition.). SAGE.
Čikaški stil citiranja (17. izdanje)Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. Fourth edition. London: SAGE, 2014.
MLA način citiranja (9. izdanje)Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. Fourth edition. SAGE, 2014.
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