APA-viite (7. p.)

Crawford, C. M. (1997). New products management (5th ed.). Irwin.

Chicago-viite (17. p.)

Crawford, C. Merle. New Products Management. 5th ed. Chicago: Irwin, 1997.

MLA-viite (8. p.)

Crawford, C. Merle. New Products Management. 5th ed. Irwin, 1997.