Dyfyniad APA

Rudelius, W. (1981). An introduction to contemporary business (3rd ed.). Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

Rudelius, William. An Introduction to Contemporary Business. 3rd ed. New York: Harcourt Brace Jovanovich, 1981.

Dyfyniad MLA

Rudelius, William. An Introduction to Contemporary Business. 3rd ed. Harcourt Brace Jovanovich, 1981.

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