APA-čujuhus (7. p.)

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT (9TH ED.). TMH.

Chicago-čujuhus (17. p.)

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 9TH ED. NEW DELHI NEW DELHI: TMH.

MLA-čujuhus (9. p.)

KOONTZ HAROLD. ESSENTIALS OF MANAGEMENT. 9TH ED. TMH.

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