Kumar, R. (2005). Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd.
Cita Chicago (17th ed.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Noida: Pearson India Education Services Pvt. Ltd, 2005.
Cita MLA (9th ed.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.