Koontz, H., & Weihrich, H. (2015). Essential of Management (10ed.). McGraw Hill Education.
Chicago-čujuhus (17. p.)Koontz, Harold, juo Heinz Weihrich. Essential of Management. 10ed. Chennai: McGraw Hill Education, 2015.
MLA-čujuhus (9. p.)Koontz, Harold, juo Heinz Weihrich. Essential of Management. 10ed. McGraw Hill Education, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.