Armstrong, G., & Kotler, P. (2009). Marketing: An introduction (9th ed.). New jersey: Pearson Education.
Chicago Style CitationArmstrong, Gary, and Philip Kotler. Marketing: An Introduction. 9th ed. New jersey: Pearson Education, 2009.
MLA CitationArmstrong, Gary, and Philip Kotler. Marketing: An Introduction. 9th ed. New jersey: Pearson Education, 2009.
Warning: These citations may not always be 100% accurate.