Hallett, A. (1997). The Entrepreneur magazine: Encyclopedia of entrepreneurs. Wiley.
Chicago Style (17th ed.) ZitazioaHallett, Anthony. The Entrepreneur Magazine: Encyclopedia of Entrepreneurs. New York: Wiley, 1997.
MLA (9th ed.) ZitazioaHallett, Anthony. The Entrepreneur Magazine: Encyclopedia of Entrepreneurs. Wiley, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.