Nierenberg, G. I. (1974). The art of negotiating: Psychological strategies for gaining advantagous bargains. New York: Cornerstone Library.
Chicago-стиль цитированияNierenberg, Gerard I. The Art of Negotiating: Psychological Strategies for Gaining Advantagous Bargains. New York: Cornerstone Library, 1974.
MLA-цитированиеNierenberg, Gerard I. The Art of Negotiating: Psychological Strategies for Gaining Advantagous Bargains. New York: Cornerstone Library, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.