Magnel, G. Prestressed concrete.
Lua i Stíl Chicago (17ú heag.)Magnel, Gustave. Prestressed Concrete.
Lua MLA (8ú heag.)Magnel, Gustave. Prestressed Concrete.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)