Tohutoro APA (7th ed.)
Koontz, H., & Weihrich, H. (1988). Management (9th ed.). McGraw - hill.
Tohutoru Kātū Chicago (17th ed.)
Koontz, Harold, me Heinz Weihrich. Management. 9th ed. New York: McGraw - hill, 1988.
Tohutoro MLA (9th ed.)
Koontz, Harold, me Heinz Weihrich. Management. 9th ed. McGraw - hill, 1988.
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