Norton. (2006). Machine Design. Pearson.
Lua i Stíl Chicago (17ú heag.)Norton. Machine Design. New Delhi: Pearson, 2006.
Lua MLA (9ú heag.)Norton. Machine Design. Pearson, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.