Kotler, P., & Amstrong. (2001). Principles of marketing. New jersey: Prentice Hall.
Chicago Style CitationKotler, Philip, and Amstrong. Principles of Marketing. New jersey: Prentice Hall, 2001.
MLA CitationKotler, Philip, and Amstrong. Principles of Marketing. New jersey: Prentice Hall, 2001.
Warning: These citations may not always be 100% accurate.