APA-čujuhus (7. p.)
Koontz, H., & Weihrich, H. (2010). Essentials of management an international perpective (8th ed.). TMH.
Chicago-čujuhus (17. p.)
Koontz, Harold, juo Heinz Weihrich. Essentials of Management an International Perpective. 8th ed. New Delhi: TMH, 2010.
MLA-čujuhus (9. p.)
Koontz, Harold, juo Heinz Weihrich. Essentials of Management an International Perpective. 8th ed. TMH, 2010.
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