Levitt, J. (2005). Managing factory maintenance. Indistrial Press.
Lua i Stíl Chicago (17ú heag.)Levitt, Joel. Managing Factory Maintenance. Indistrial Press, 2005.
Lua MLA (8ú heag.)Levitt, Joel. Managing Factory Maintenance. Indistrial Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.