Armstrong, G., & Kotler, P. (2011). Marketing: An introduction (10th ed.). Prentice Hall.
Chicago Style aipamenaArmstrong, Gary, and Philip Kotler. Marketing: An Introduction. 10th ed. Boston, Mass: Prentice Hall, 2011.
MLA aipamenaArmstrong, Gary, and Philip Kotler. Marketing: An Introduction. 10th ed. Prentice Hall, 2011.
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