APA (7th ed.) Zitazioa
Cohen, H. (1982). You can negotiate anything. Bantam Books.
Chicago Style (17th ed.) Zitazioa
Cohen, Herb. You Can Negotiate Anything. New York [etc.]: Bantam Books, 1982.
MLA (9th ed.) Zitazioa
Cohen, Herb. You Can Negotiate Anything. Bantam Books, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.