Kotler, P., & Armstrong, G. (2021). Principles of marketing (Eighteenth Edition (Global Edition).). Harlow, England: Pearson Education.
Chicago Style CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. Eighteenth Edition (Global Edition). Harlow, England: Pearson Education, 2021.
MLA CitationKotler, Philip, and Gary Armstrong. Principles of Marketing. Eighteenth Edition (Global Edition). Harlow, England: Pearson Education, 2021.
Warning: These citations may not always be 100% accurate.