APA aipamena

Comfort, J., & Utley, D. (1998). Effective negotiating. Oxford: Oxford University Press.

Chicago Style aipamena

Comfort, Jeremy., và Derek Utley. Effective Negotiating. Oxford: Oxford University Press, 1998.

MLA aipamena

Comfort, Jeremy., và Derek Utley. Effective Negotiating. Oxford: Oxford University Press, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.