APA (7th ed.) Zitazioa

Keegan, W. J. (1997). Principles of global marketing. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Keegan, Warren J. Principles of Global Marketing. Upper Saddle River, New Jersey: Prentice-Hall, 1997.

MLA (9th ed.) Zitazioa

Keegan, Warren J. Principles of Global Marketing. Prentice-Hall, 1997.

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