Não informado. Highways Design and Construction. IPC Building and Contract Journals.
Lua i Stíl Chicago (17ú heag.)Não informado. Highways Design and Construction. London: IPC Building and Contract Journals.
Lua MLA (8ú heag.)Não informado. Highways Design and Construction. IPC Building and Contract Journals.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.