Lewicki, R. J., Barry, B., & Saunders, D. M. (2011). Essentials of negotiation (5th ed.). McGraw-Hill/Irwin.

Lewicki, Roy J., Bruce Barry, and David M. Saunders. Essentials of Negotiation. 5th ed. New York: McGraw-Hill/Irwin, 2011.

Lewicki, Roy J., et al. Essentials of Negotiation. 5th ed. McGraw-Hill/Irwin, 2011.