Παραπομπή APA

Certo, S. C. (1989). Principles of modern management: Functions and systems (4th ed.). Boston: Allyn and Bacon.

Παραπομπή Chicago Style

Certo, Samuel C. Principles of Modern Management: Functions and Systems. 4th ed. Boston: Allyn and Bacon, 1989.

Παραπομπή MLA

Certo, Samuel C. Principles of Modern Management: Functions and Systems. 4th ed. Boston: Allyn and Bacon, 1989.

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