Lewicki,Roy J, Bruce Barry, & David M. Saunders. (2016). Essentials of Negotiation (sixth.). McGraw Hill International Edition.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLewicki,Roy J, Bruce Barry, और David M. Saunders. Essentials of Negotiation. sixth. New York: McGraw Hill International Edition, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLewicki,Roy J, et al. Essentials of Negotiation. sixth. McGraw Hill International Edition, 2016.
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