Não informado. (1948). Midwest Engineer. Western Society of Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Midwest Engineer. Chicago, Ill: Western Society of Engineers, 1948.
Lua MLA (8ú heag.)Não informado. Midwest Engineer. Western Society of Engineers, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.