Kumar, R. (2005). Research Methodology: A step-by-step guide for beginners (2nd ed.). Pearson Education.
Cita Chicago (17th ed.)Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 2nd ed. New Delhi: Pearson Education, 2005.
Cita MLA (9th ed.)Kumar, Ranjit. Research Methodology: A Step-by-step Guide for Beginners. 2nd ed. Pearson Education, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.