Kothari, C. (2004). Research Methodology. New Age International.
Chicago-čujuhus (17. p.)Kothari, C.R. Research Methodology. NEw Delhi: New Age International, 2004.
MLA-čujuhus (9. p.)Kothari, C.R. Research Methodology. New Age International, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.