APA Citation

Kotler, P., & Amstrong. (2001). Principles of marketing. New jersey: Prentice Hall.

Chicago Style Citation

Kotler, Philip, and Amstrong. Principles of Marketing. New jersey: Prentice Hall, 2001.

MLA Citation

Kotler, Philip, and Amstrong. Principles of Marketing. New jersey: Prentice Hall, 2001.

Warning: These citations may not always be 100% accurate.