Não informado. (1947). Traffic quarterly. Eno Foundation for Transportation.
Lua i Stíl Chicago (17ú heag.)Não informado. Traffic Quarterly. Westport, Conn: Eno Foundation for Transportation, 1947.
Lua MLA (8ú heag.)Não informado. Traffic Quarterly. Eno Foundation for Transportation, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.