Cita APA (7th ed.)
Kumar, R. (2014). Research Methodology: A Step by step Guide for Biginners (4th ed.). Sage.
Cita Chicago (17th ed.)
Kumar, Ranjit. Research Methodology: A Step by Step Guide for Biginners. 4th ed. New Delhi: Sage, 2014.
Cita MLA (9th ed.)
Kumar, Ranjit. Research Methodology: A Step by Step Guide for Biginners. 4th ed. Sage, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.