Chaturvedi, M. (1997). New Product Development. A.H.Wheeler.
Chicago-čujuhus (17. p.)Chaturvedi, Mukesh. New Product Development. A.H.Wheeler, 1997.
MLA-čujuhus (9. p.)Chaturvedi, Mukesh. New Product Development. A.H.Wheeler, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.