Forsyth, P. (2009). Negotiation skills for rookies: From rookie to expert in a week. Marshall Cavendish Business.
Chicago Style (17th ed.) ZitazioaForsyth, Patrick. Negotiation Skills for Rookies: From Rookie to Expert in a Week. London: Marshall Cavendish Business, 2009.
MLA (9th ed.) ZitazioaForsyth, Patrick. Negotiation Skills for Rookies: From Rookie to Expert in a Week. Marshall Cavendish Business, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.