Dyfyniad APA
Boone, L. E. (1990). Contemporary business (6th .ed.). Dryden.
Dyfyniad Arddull Chicago
Boone, Louis E. Contemporary Business. 6th .ed. Chicago: Dryden, 1990.
Dyfyniad MLA
Boone, Louis E. Contemporary Business. 6th .ed. Dryden, 1990.
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