APA (7 वां संस्करण) प्रशस्ति पत्र

Lewicki, R. J. B. (2016). Essentials of Negotiation. John Wiley and Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lewicki, Roy J; Barry. Essentials of Negotiation. New Jersey: John Wiley and Sons, 2016.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Lewicki, Roy J; Barry. Essentials of Negotiation. John Wiley and Sons, 2016.