Karl Bach. (1979). Selling is simple ... if you don't make it complicated. San Francisco, California: Advance Books.
Chicago Style citaatKarl Bach. Selling Is Simple ... If You Don't Make It Complicated. San Francisco, California: Advance Books, 1979.
MLA citatieKarl Bach. Selling Is Simple ... If You Don't Make It Complicated. San Francisco, California: Advance Books, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.