APA (7th ed.) Zitazioa
Etzel Michael J [et-al]. (2005). Marketing: Concepts and Cases (13th ed.). Tata McGraw Hill.
Chicago Style (17th ed.) Zitazioa
Etzel Michael J [et-al]. Marketing: Concepts and Cases. 13th ed. New Delhi: Tata McGraw Hill, 2005.
MLA (9th ed.) Zitazioa
Etzel Michael J [et-al]. Marketing: Concepts and Cases. 13th ed. Tata McGraw Hill, 2005.
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