Acuff, f. L. (1997). How to negotiate anything with anyone anywhere around the world. AMACOM.
Chicago Style aipamenaAcuff, frank L. How to Negotiate Anything with Anyone Anywhere Around the World. New York: AMACOM, 1997.
MLA aipamenaAcuff, frank L. How to Negotiate Anything with Anyone Anywhere Around the World. AMACOM, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.