KOTHARI, C. R., & GARAG, G. (2014). Research Methodology Methods and Techniques (3rd.). New Age International (P) Ltd.
Chicago-čujuhus (17. p.)KOTHARI, C R., juo GAURAV GARAG. Research Methodology Methods and Techniques. 3rd. New Delhi: New Age International (P) Ltd, 2014.
MLA-čujuhus (9. p.)KOTHARI, C R., juo GAURAV GARAG. Research Methodology Methods and Techniques. 3rd. New Age International (P) Ltd, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.