Gaya APA

Koontz, H., Davis, K. (1957). Principles of Management an Analysis Of Managerial Functions (Ed. 2.--). New York: McGraw-Hill Book.

Gaya MLA

Koontz, Harold., Davis, Keith. "Principles of Management an Analysis Of Managerial Functions". Ed. 2.-- New York: McGraw-Hill Book, 1957. Text.