Krajewski, L. J. (2005). Operations management [ada CD]. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Krajewski, Lee J. Operations Management [ada CD]. Prentice Hall, 2005.
Lua MLA (8ú heag.)Krajewski, Lee J. Operations Management [ada CD]. Prentice Hall, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.