Não informado. (1960). American Machinist and Metalworking Manufacturing. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Não informado. American Machinist and Metalworking Manufacturing. New York: McGraw-Hill, 1960.
Lua MLA (8ú heag.)Não informado. American Machinist and Metalworking Manufacturing. McGraw-Hill, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.