Παραπομπή APA

Karras, G. (1985). Negotiate to close: How to make more successful deals. New York: Simon & Schuster.

Παραπομπή Chicago Style

Karras, Gary. Negotiate to Close: How to Make More Successful Deals. New York: Simon & Schuster, 1985.

Παραπομπή MLA

Karras, Gary. Negotiate to Close: How to Make More Successful Deals. New York: Simon & Schuster, 1985.

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