Stevenson, W. J. (2014). Operations management (12th ed.). McGraw-Hill/Irwin.
Lua i Stíl Chicago (17ú heag.)Stevenson, William J. Operations Management. 12th ed. New York: McGraw-Hill/Irwin, 2014.
Lua MLA (9ú heag.)Stevenson, William J. Operations Management. 12th ed. McGraw-Hill/Irwin, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.