Kumar, R. (2005). Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd.
Citazione stile Chigago Style (17a edizione)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Noida: Pearson India Education Services Pvt. Ltd, 2005.
Citatione MLA (9a ed.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.