Kotler, P., & Gary Armstrong. (2008). Principles of marketing (12th edition.). Prentice Hall.
Chicago Style (17th ed.) CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. 12th edition. New Delhi: Prentice Hall, 2008.
MLA (9th ed.) CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. 12th edition. Prentice Hall, 2008.
Warning: These citations may not always be 100% accurate.