Dilworth, J. (1992). Operations management. McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Dilworth, James. Operations Management. NewYork: McGraw Hill, 1992.
Lua MLA (9ú heag.)Dilworth, James. Operations Management. McGraw Hill, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.