Παραπομπή APA

Klaff, O. (2011). Pitch anything: An innovative method for presenting, persuading and winning the deal. New York: McGraw-Hill.

Παραπομπή Chicago Style

Klaff, Oren. Pitch Anything: An Innovative Method for Presenting, Persuading and Winning the Deal. New York: McGraw-Hill, 2011.

Παραπομπή MLA

Klaff, Oren. Pitch Anything: An Innovative Method for Presenting, Persuading and Winning the Deal. New York: McGraw-Hill, 2011.

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