APA
Lewicki R. J. S. D. M. &. M. J. W., . (2001). Essentials of negotiation. McGraw-Hill Irwin, Boston: .
Chicago
Lewicki Roy J Saunders David M & Minton John W, . 2001. Essentials of negotiation. McGraw-Hill Irwin, Boston: .
Harvard
Lewicki R. J. S. D. M. &. M. J. W., . (2001). Essentials of negotiation. McGraw-Hill Irwin, Boston: .
MLA
Lewicki Roy J Saunders David M & Minton John W, . Essentials of negotiation. McGraw-Hill Irwin, Boston: . 2001.