Kotler, P. (1991). Principles of marketing (5th.). Prentic Hall.
芝加哥风格引文Kotler, Philip. Principles of Marketing. 5th. New Delhi: Prentic Hall, 1991.
MLA引文Kotler, Philip. Principles of Marketing. 5th. Prentic Hall, 1991.
警告:这些引文格式不一定是100%准确.
Kotler, P. (1991). Principles of marketing (5th.). Prentic Hall.
芝加哥风格引文Kotler, Philip. Principles of Marketing. 5th. New Delhi: Prentic Hall, 1991.
MLA引文Kotler, Philip. Principles of Marketing. 5th. Prentic Hall, 1991.