Madan, P. (2010). Research methodology. Global Publishing.
Chicago-čujuhus (17. p.)Madan, Pankaj. Research Methodology. New Delhi: Global Publishing, 2010.
MLA-čujuhus (9. p.)Madan, Pankaj. Research Methodology. Global Publishing, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.