ACI Materials Journal (bendel). American Concrete Institute.
Lua i Stíl Chicago (17ú heag.)ACI Materials Journal (bendel). American Concrete Institute.
Lua MLA (8ú heag.)ACI Materials Journal (bendel). American Concrete Institute.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.