Armstrong, G., & Kotler, P. (2000). Marketing: An introduction (Fifth edition.). Prentice Hall.
Chicago Style aipamenaArmstrong, Gary, and Philip Kotler. Marketing: An Introduction. Fifth edition. Upper Saddle River, New Jersey: Prentice Hall, 2000.
MLA aipamenaArmstrong, Gary, and Philip Kotler. Marketing: An Introduction. Fifth edition. Prentice Hall, 2000.
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