Não informado. (1978). RAILWAY ENGINEER INTERNATIONAL. Mechanical Engineering Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. RAILWAY ENGINEER INTERNATIONAL. London: Mechanical Engineering Publications, 1978.
Lua MLA (8ú heag.)Não informado. RAILWAY ENGINEER INTERNATIONAL. Mechanical Engineering Publications, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.