Amstrong, G., Kotler, P., & Opresnik, M. O. (2017). Marketing: An introduction (13th ed. Global edition.). Harlow, England: Pearson Education.
Chicago Style CitationAmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. 13th ed. Global edition. Harlow, England: Pearson Education, 2017.
MLA CitationAmstrong, Gary, Philip Kotler, and Marc O. Opresnik. Marketing: An Introduction. 13th ed. Global edition. Harlow, England: Pearson Education, 2017.
Warning: These citations may not always be 100% accurate.