Kotler, P. (1991). Principles of marketing (5th.). Prentic Hall.
Chicago Style (17th ed.) CitationKotler, Philip. Principles of Marketing. 5th. New Delhi: Prentic Hall, 1991.
MLA引文Kotler, Philip. Principles of Marketing. 5th. Prentic Hall, 1991.
警告:這些引文格式不一定是100%准確.