Não informado. (1971). RAIL ENGINEERING INTERNATIONAL. [s.n.].
Lua i Stíl Chicago (17ú heag.)Não informado. RAIL ENGINEERING INTERNATIONAL. London: [s.n.], 1971.
Lua MLA (8ú heag.)Não informado. RAIL ENGINEERING INTERNATIONAL. [s.n.], 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.