APA (7th ed.) Zitazioa
Kotler, P. (1991). Marketing management: Analysis, planning, implementation, and control (7th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Kotler, Philip. Marketing Management: Analysis, Planning, Implementation, and Control. 7th ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
MLA (9th ed.) Zitazioa
Kotler, Philip. Marketing Management: Analysis, Planning, Implementation, and Control. 7th ed. Prentice Hall, 1991.
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