Lewicki,Roy J, Bruce Barry, & David M. Saunders. (2016). Essentials of Negotiation (sixth.). McGraw Hill International Edition.
Chicago-viite (17. p.)Lewicki,Roy J, Bruce Barry, ja David M. Saunders. Essentials of Negotiation. sixth. New York: McGraw Hill International Edition, 2016.
MLA-viite (9. p.)Lewicki,Roy J, et al. Essentials of Negotiation. sixth. McGraw Hill International Edition, 2016.
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