Gaya APA

david L. Kurtz,PH.D., H. Robert Dodge. (1991). Professional Selling Sixth Edition . USA: IRWIN.

Gaya Chicago

david L. Kurtz,PH.D., H. Robert Dodge. Professional Selling Sixth Edition. USA: IRWIN, 1991. Text.

Gaya MLA

david L. Kurtz,PH.D., H. Robert Dodge. Professional Selling Sixth Edition. USA: IRWIN, 1991. Text.

Gaya Turabian

david L. Kurtz,PH.D., H. Robert Dodge. Professional Selling Sixth Edition. USA: IRWIN, 1991. Print.