Chawla Deepak. (2011). Research Methodology: Concepts and Cases -CD. Vikas Publishing House.
Chicago-čujuhus (17. p.)Chawla Deepak. Research Methodology: Concepts and Cases -CD. Noida: Vikas Publishing House, 2011.
MLA-čujuhus (9. p.)Chawla Deepak. Research Methodology: Concepts and Cases -CD. Vikas Publishing House, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.