Denny Richard. (2003). Selling to win: Tested techniques for closing the sale (2.). Kogan Page.
Chicago Edition CitationDenny Richard. Selling to Win: Tested Techniques for Closing the Sale. 2. New Delhi: Kogan Page, 2003.
MLA Edition CitationDenny Richard. Selling to Win: Tested Techniques for Closing the Sale. 2. Kogan Page, 2003.
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