Kotler, P., & Armstong, G. (2012). Principles of marketing (15 th ed.). Harlow, England: Pearson.
Chicago Style CitationKotler, Philip., and Gary Armstong. Principles of Marketing. 15 th ed. Harlow, England: Pearson, 2012.
MLA CitationKotler, Philip., and Gary Armstong. Principles of Marketing. 15 th ed. Harlow, England: Pearson, 2012.
Warning: These citations may not always be 100% accurate.