Gaya APA
Koontz, Harold. (1990).
Essentials of management, 5th ed. (5th. ed.).
New York:
McGraw Hill.
Gaya Chicago
Koontz, Harold.
Essentials of management, 5th ed..
5th. ed.
New York:
McGraw Hill,
1990.
Text.
Gaya MLA
Koontz, Harold.
Essentials of management, 5th ed..
5th. ed.
New York:
McGraw Hill,
1990.
Text.
Gaya Turabian
Koontz, Harold.
Essentials of management, 5th ed..
5th. ed.
New York:
McGraw Hill,
1990.
Print.