APA استشهاد

Koontz, H. a. . W. (2015). Essentials of Management: An International Innovation and leadership perspective (9 Edition.).

استشهاد بنمط شيكاغو

Koontz, Harold and Weihrich. Essentials of Management: An International Innovation and Leadership Perspective. 9 Edition. Mc Graw Hill: New Delhi, 2015.

MLA استشهاد

Koontz, Harold and Weihrich. Essentials of Management: An International Innovation and Leadership Perspective. 9 Edition. 2015.