Boone, L. E. (1982). Contemporary business (3rd.ed.). Dryden.
Chicago Style (17th ed.) ZitazioaBoone, Louis E. Contemporary Business. 3rd.ed. Chicago: Dryden, 1982.
MLA (9th ed.) ZitazioaBoone, Louis E. Contemporary Business. 3rd.ed. Dryden, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.