Não informado. (1956). Marine Engineering/Log. Simmons Boardman Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Marine Engineering/Log. Bristol, Conn: Simmons Boardman Publishing, 1956.
Lua MLA (8ú heag.)Não informado. Marine Engineering/Log. Simmons Boardman Publishing, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.