Kotler, P. (1983). Principles of marketing (2nd ed.). Prentice-Hall.
Tohutoru Kātū Chicago (17th ed.)Kotler, Philip. Principles of Marketing. 2nd ed. London: Prentice-Hall, 1983.
Tohutoro MLA (9th ed.)Kotler, Philip. Principles of Marketing. 2nd ed. Prentice-Hall, 1983.
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