APA استشهاد

Kumar, R. (2005). Research methodology: A step guide for beginners (2nd ed.). Pearson.

استشهاد بنمط شيكاغو

Kumar, Ranjith. Research Methodology: A Step Guide for Beginners. 2nd ed. New Delhi: Pearson, 2005.

MLA استشهاد

Kumar, Ranjith. Research Methodology: A Step Guide for Beginners. 2nd ed. Pearson, 2005.