APA-čujuhus (7. p.)

Kumar, R. (2014). Research Methodology A Step -by- Step Guide for Beginners (4th.). Sage.

Chicago-čujuhus (17. p.)

Kumar, Ranjit. Research Methodology A Step -by- Step Guide for Beginners. 4th. New delhi: Sage, 2014.

MLA-čujuhus (9. p.)

Kumar, Ranjit. Research Methodology A Step -by- Step Guide for Beginners. 4th. Sage, 2014.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.