Shivkumar, M. (2003). Product management. Himalaya.
Chicago-čujuhus (17. p.)Shivkumar, M. Product Management. Mumbai: Himalaya, 2003.
MLA-čujuhus (9. p.)Shivkumar, M. Product Management. Himalaya, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.