Certo, S. C. (1989). Principles of modern management: Functions and systems (4th ed.). Allyn and Bacon.
Chicago Style (17. basım) AtıfCerto, Samuel C. Principles of Modern Management: Functions and Systems. 4th ed. Massachusetts: Allyn and Bacon, 1989.
MLA (9th ed.) AtıfCerto, Samuel C. Principles of Modern Management: Functions and Systems. 4th ed. Allyn and Bacon, 1989.
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