Cita APA (7th ed.)

Kumar, R. (2014). Research Methodology: A step by step guide for beginners (4th ed.). Sage.

Cita Chicago (17th ed.)

Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. 4th ed. New Delhi: Sage, 2014.

Cita MLA (9th ed.)

Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. 4th ed. Sage, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.