Deepak Chawla & Neena Sondhi. (2020). Research Methodology (2en ed.). Vikas Publishing.
Chicago-čujuhus (17. p.)Deepak Chawla juo Neena Sondhi. Research Methodology. 2en ed. Delhi: Vikas Publishing, 2020.
MLA-čujuhus (9. p.)Deepak Chawla juo Neena Sondhi. Research Methodology. 2en ed. Vikas Publishing, 2020.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.