Humphreys, R. (1937). Lets make our highways safeways.
Lua i Stíl Chicago (17ú heag.)Humphreys, R. Lets Make Our Highways Safeways. 1937.
Lua MLA (9ú heag.)Humphreys, R. Lets Make Our Highways Safeways. 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
