Armstrong, G., Kotler, P., & Opresnik, M. O. (2020). Marketing: An introduction (Fourteenth edition.). Harlow, England: Pearson.
Chicago Style CitationArmstrong, Gary,, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Fourteenth edition. Harlow, England: Pearson, 2020.
MLA CitationArmstrong, Gary,, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Fourteenth edition. Harlow, England: Pearson, 2020.
Warning: These citations may not always be 100% accurate.