Jeremy Comford. (1998). Effective negotiating. Oxford: Oxford Univ. Press.
Chicago Style aipamenaJeremy Comford. Effective Negotiating. Oxford: Oxford Univ. Press, 1998.
MLA aipamenaJeremy Comford. Effective Negotiating. Oxford: Oxford Univ. Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.