CRAWFORD C. MERLE. (1987). NEW PRODUCTS MANAGEMENT (2ND.). IRWIN MCGRAW-HILL.
Chicago Style aipamenaCRAWFORD C. MERLE. NEW PRODUCTS MANAGEMENT. 2ND. HOMEWOOD: IRWIN MCGRAW-HILL, 1987.
MLA aipamenaCRAWFORD C. MERLE. NEW PRODUCTS MANAGEMENT. 2ND. IRWIN MCGRAW-HILL, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.