APA-čujuhus (7. p.)

Kotler, P. (1991). Principles of marketing (5th ed.). Prentice-Hall.

Chicago-čujuhus (17. p.)

Kotler, Philip. Principles of Marketing. 5th ed. New Delhi: Prentice-Hall, 1991.

MLA-čujuhus (9. p.)

Kotler, Philip. Principles of Marketing. 5th ed. Prentice-Hall, 1991.

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