APA (7e ed.) Bronvermelding
Crawford, C. M. (1997). New products management (5th ed.). Irwin Mc Graw Hill.
Chicago (17e ed.) Bronvermelding
Crawford, C. Merle. New Products Management. 5th ed. Chicago: Irwin Mc Graw Hill, 1997.
MLA (9e ed.) Bronvermelding
Crawford, C. Merle. New Products Management. 5th ed. Irwin Mc Graw Hill, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.