Koontz, H. (2007). Essentials of management : an international: Perspective. Tata McGraw-Hill.
Chicago-čujuhus (17. p.)Koontz, Harold. Essentials of Management : An International: Perspective. New Delhi: Tata McGraw-Hill, 2007.
MLA-čujuhus (9. p.)Koontz, Harold. Essentials of Management : An International: Perspective. Tata McGraw-Hill, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.