LEA, F. (1960). The Machining Of Steel / F.c. Lea And Eric N. Simons. Odhams Press.
Lua i Stíl Chicago (17ú heag.)LEA, F.C. The Machining Of Steel / F.c. Lea And Eric N. Simons. Odhams Press, 1960.
Lua MLA (8ú heag.)LEA, F.C. The Machining Of Steel / F.c. Lea And Eric N. Simons. Odhams Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.