APA (7th ed.) Zitazioa
Weitz, B. A., Castleberry, S. B., & Tanner, J. F. (2004). Selling: Building partnerships (5th ed.). McGraw-Hill/Irwin.
Chicago Style (17th ed.) Zitazioa
Weitz, Barton A., Stephen B. Castleberry, eta John F. Tanner. Selling: Building Partnerships. 5th ed. Boston: McGraw-Hill/Irwin, 2004.
MLA (9th ed.) Zitazioa
Weitz, Barton A., et al. Selling: Building Partnerships. 5th ed. McGraw-Hill/Irwin, 2004.
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