Spangle, M. (2003). Negotiations: Communications for diverse settings. Sage Publication.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpangle, Michael. Negotiations: Communications for Diverse Settings. Sage Publication, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpangle, Michael. Negotiations: Communications for Diverse Settings. Sage Publication, 2003.
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