Crawford, C. M. (1997). New products management (5th ed.). Irwin.
Chicago Style (17th ed.) CitationCrawford, C. Merle. New Products Management. 5th ed. Chicago: Irwin, 1997.
MLA引文Crawford, C. Merle. New Products Management. 5th ed. Irwin, 1997.
警告:這些引文格式不一定是100%准確.