Παραπομπή APA

Nierenberg, G. I. (1974). The art of negotiating: Psychological strategies for gaining advantagous bargains. New York: Cornerstone Library.

Παραπομπή Chicago Style

Nierenberg, Gerard I. The Art of Negotiating: Psychological Strategies for Gaining Advantagous Bargains. New York: Cornerstone Library, 1974.

Παραπομπή MLA

Nierenberg, Gerard I. The Art of Negotiating: Psychological Strategies for Gaining Advantagous Bargains. New York: Cornerstone Library, 1974.

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