Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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