Não informado. (2020). Metalworking News. Fairchild Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Metalworking News. New York: Fairchild Publications, 2020.
Lua MLA (8ú heag.)Não informado. Metalworking News. Fairchild Publications, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.