APA Style

Schonberger, R., Knod, E, M. (1991). Operations management : improving customer service / Richard Schonberger and Edward M. Knod (4). Homewood,ill: Richard D. Irwin.

MLA Style

Schonberger, Richard., Knod, Edward, M.. "Operations management : improving customer service / Richard Schonberger and Edward M. Knod". 4 Homewood,ill: Richard D. Irwin, 1991. Textbook ห้องสมุดทั่วไป.