Koontz Harold. (2006). Essentials of Management (6th.). Tata Mcgraw Hill.
Chicago-čujuhus (17. p.)Koontz Harold. Essentials of Management. 6th. New Delhi: Tata Mcgraw Hill, 2006.
MLA-čujuhus (9. p.)Koontz Harold. Essentials of Management. 6th. Tata Mcgraw Hill, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.