APA (7th ed.) Zitazioa

Kotler, P. (1984). Marketing essentials. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Kotler, Philip. Marketing Essentials. .Englewood Cliffs, N.J: Prentice-Hall, 1984.

MLA (9th ed.) Zitazioa

Kotler, Philip. Marketing Essentials. Prentice-Hall, 1984.

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