Armstrong, G., & Kotler, P. (1994). Principles of marketing (6th.). Prentice-Hall,International,Inc..
Chicago Style (17th ed.) CitationArmstrong, Gary, and Philip Kotler. Principles of Marketing. 6th. Englewood: Prentice-Hall,International,Inc., 1994.
MLA (8th ed.) CitationArmstrong, Gary, and Philip Kotler. Principles of Marketing. 6th. Prentice-Hall,International,Inc., 1994.
Warning: These citations may not always be 100% accurate.