Holden, R. K. (2012). Negotiating with backbone: Eight sales strategies to defend your price and value. FT Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolden, Reed K. Negotiating with Backbone: Eight Sales Strategies to Defend Your Price and Value. Upper Saddle River, N.J.: FT Press, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHolden, Reed K. Negotiating with Backbone: Eight Sales Strategies to Defend Your Price and Value. FT Press, 2012.
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