Cita APA (7th ed.)

Kumar,Ranjit. (2014). Research methodology: A step-by-step guide for beginners (4th.). Sage.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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