Frye, R. W. (1973). Introduction to the marketing system. Comfield press, 1973.
Chicago Edition CitationFrye, Robert W. Introduction to the Marketing System. Francisco: Comfield press, 1973, 1973.
Deismireacht MLAFrye, Robert W. Introduction to the Marketing System. Comfield press, 1973, 1973.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.