Denny Richard. (2003). Selling to win: Tested techniques for closing the sale (2.). Kogan Page.
Chicago Style citaatDenny Richard. Selling to Win: Tested Techniques for Closing the Sale. 2. New Delhi: Kogan Page, 2003.
MLA citatieDenny Richard. Selling to Win: Tested Techniques for Closing the Sale. 2. Kogan Page, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.