Gaya APA

KOONTZ, Harold, WEIHRICH, Heinz. (1990). Essentials Of Management (Keempat). New York: McGraw-hill Publishing Company.

Gaya Chicago

KOONTZ, Harold, WEIHRICH, Heinz. Essentials Of Management. Keempat New York: McGraw-hill Publishing Company, 1990. Text.

Gaya MLA

KOONTZ, Harold, WEIHRICH, Heinz. Essentials Of Management. Keempat New York: McGraw-hill Publishing Company, 1990. Text.

Gaya Turabian

KOONTZ, Harold, WEIHRICH, Heinz. Essentials Of Management. Keempat New York: McGraw-hill Publishing Company, 1990. Print.