(1975). Handbook Of Highway Engineering. Ed. Robert F. Baker Dan L.g. Byrd D. Grant Mickle. Van Nostrand Reinhold Company.
Lua i Stíl Chicago (17ú heag.)Handbook Of Highway Engineering. Ed. Robert F. Baker Dan L.g. Byrd D. Grant Mickle. Van Nostrand Reinhold Company, 1975.
Lua MLA (8ú heag.)Handbook Of Highway Engineering. Ed. Robert F. Baker Dan L.g. Byrd D. Grant Mickle. Van Nostrand Reinhold Company, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.