Não informado. (1961). International Railway Journal. Simmons Boardman Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. International Railway Journal. New York: Simmons Boardman Publishing, 1961.
Lua MLA (8ú heag.)Não informado. International Railway Journal. Simmons Boardman Publishing, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.