Lewicki,Roy J, Bruce Barry, & David M. Saunders. (2016). Essentials of Negotiation (sixth.). McGraw Hill International Edition.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLewicki,Roy J, Bruce Barry, এবং David M. Saunders. Essentials of Negotiation. sixth. New York: McGraw Hill International Edition, 2016.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিLewicki,Roy J, et al. Essentials of Negotiation. sixth. McGraw Hill International Edition, 2016.