APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. New Delhi: Pearson, 2005.

MLA (9th ed.) Zitazioa

Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Pearson, 2005.