एपीए उद्धरण

Koontz, H. (1978). Essentials of management/2e (2nd ed.). McGraw Hill.

शिकागो स्टाइल उद्धरण

Koontz, Harold. Essentials of Management/2e. 2nd ed. New Delhi: McGraw Hill, 1978.

एमएलए उद्धरण

Koontz, Harold. Essentials of Management/2e. 2nd ed. McGraw Hill, 1978.