Kotler, P. (1989). Principles of marketing (3rd.). Prentice Hall.
Chicago-čujuhus (17. p.)Kotler, Philip. Principles of Marketing. 3rd. New Delhi: Prentice Hall, 1989.
MLA-čujuhus (9. p.)Kotler, Philip. Principles of Marketing. 3rd. Prentice Hall, 1989.
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