Não informado. (1948). World Construction. Technical Publishing Corporation.
Lua i Stíl Chicago (17ú heag.)Não informado. World Construction. New York: Technical Publishing Corporation, 1948.
Lua MLA (8ú heag.)Não informado. World Construction. Technical Publishing Corporation, 1948.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.