Crawford, M. (2023). New Products Management (11th.). McGraw Hill.
Chicago-čujuhus (17. p.)Crawford, Merle. New Products Management. 11th. McGraw Hill, 2023.
MLA-čujuhus (9. p.)Crawford, Merle. New Products Management. 11th. McGraw Hill, 2023.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.