Bhattacharya, D. k. (1999). Production and operations management. Excel.
Chicago Style aipamenaBhattacharya, Dipak kumar. Production and Operations Management. New delhi: Excel, 1999.
MLA aipamenaBhattacharya, Dipak kumar. Production and Operations Management. Excel, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.