Armstrong, G., Kotler, P., & Opresnik, M. O. (2017). Marketing: An introduction (Thirteenth edition (Global edition).). Harlow, England: Pearson Education.
Chicago Style CitationArmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Thirteenth edition (Global edition). Harlow, England: Pearson Education, 2017.
MLA CitationArmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. Thirteenth edition (Global edition). Harlow, England: Pearson Education, 2017.
Warning: These citations may not always be 100% accurate.