Não informado. (1906). Machine and tool blue book. Hitchcock Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Machine and Tool Blue Book. Wheaton, Ill: Hitchcock Publishing, 1906.
Lua MLA (8ú heag.)Não informado. Machine and Tool Blue Book. Hitchcock Publishing, 1906.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.