Παραπομπή APA

Bhatnagar, A., & Agrawal, R. (2009). Production and operations management. Vrinda.

Παραπομπή Chicago Style

Bhatnagar, Ashish, και Richa Agrawal. Production and Operations Management. New Delhi: Vrinda, 2009.

Παραπομπή MLA

Bhatnagar, Ashish, και Richa Agrawal. Production and Operations Management. Vrinda, 2009.