Diamond, L. E. (2010). Perfect phrases for sales presentations: Hundreds of ready-to-use phrases for delivering powerful presentations that close every sale. New York: McGrawHill.
Chicago Style citaatDiamond, Linda Eve. Perfect Phrases for Sales Presentations: Hundreds of Ready-to-use Phrases for Delivering Powerful Presentations That Close Every Sale. New York: McGrawHill, 2010.
MLA citatieDiamond, Linda Eve. Perfect Phrases for Sales Presentations: Hundreds of Ready-to-use Phrases for Delivering Powerful Presentations That Close Every Sale. New York: McGrawHill, 2010.
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