Cita APA

 Kumar, R. (2011).  Research methodology: A step-by-step guide for beginners.  Sage.

Chicago Style Citation

 Kumar, Ranjit.  Research Methodology: A Step-by-step Guide for Beginners.  Sage, 2011.

Cita MLA

 Kumar, Ranjit.  Research Methodology: A Step-by-step Guide for Beginners.  Sage, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.