Gaya APA

Schmenner, R, W. (1990). Production / operations management : concepts and situations (4 th. ed.). New York: Macmillan Pub.Co..

Gaya MLA

Schmenner, Roger, W. "Production / operations management : concepts and situations". 4 th. ed. New York: Macmillan Pub.Co., 1990. Text.