Kumar, R. (2014). Research Methodology: A step by step guide for beginners (4th ed.). Sage.
Cita Chicago Style (17a ed.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. 4th ed. New Delhi: Sage, 2014.
Cita MLA (9a ed.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. 4th ed. Sage, 2014.
Precaución: Estas citas no son 100% exactas.