Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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