Kotler, P., Armstrong, G., & Opresnik, M. O. (2018). Principles of marketing / Philip Kotler, Gary Armstrong (17e.). Pearson.
Chicago Style (17th ed.) CitationKotler, Philip, Gary Armstrong, and Marc O. Opresnik. Principles of Marketing / Philip Kotler, Gary Armstrong. 17e. Harlow, England: Pearson, 2018.
MLA (9th ed.) CitationKotler, Philip, et al. Principles of Marketing / Philip Kotler, Gary Armstrong. 17e. Pearson, 2018.
Warning: These citations may not always be 100% accurate.