United States Conference on Prestressed Concrete. Proceedings. [s.n.].
Lua i Stíl Chicago (17ú heag.)United States Conference on Prestressed Concrete. Proceedings. [United States]: [s.n.].
Lua MLA (8ú heag.)United States Conference on Prestressed Concrete. Proceedings. [s.n.].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.