Gaya APA

Adam, E, E., Ebert, R, J. (1989). Production and operations management : concepts, models and behavior (4th ed). Englewood Cliffs, NJ: Prentice Hall.

Gaya MLA

Adam, Everett, E.., Ebert, Ronald, J.. "Production and operations management : concepts, models and behavior". 4th ed Englewood Cliffs, NJ: Prentice Hall, 1989. Text.