Παραπομπή APA

Goel, B. (1997). Production and operations management. Pragathi prakashan.

Παραπομπή Chicago Style

Goel, B.S. Production and Operations Management. Meerut: Pragathi prakashan, 1997.

Παραπομπή MLA

Goel, B.S. Production and Operations Management. Pragathi prakashan, 1997.