Kumar, R. (2005). Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd.
Chicago-čujuhus (17. p.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Noida: Pearson India Education Services Pvt. Ltd, 2005.
MLA-čujuhus (9. p.)Kumar, Ranjit. Research Methodology: A Step by Step Guide for Beginners. Pearson India Education Services Pvt. Ltd, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.