(2004). Handbook of transportation engineering. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Handbook of Transportation Engineering. McGraw-Hill, 2004.
Lua MLA (8ú heag.)Handbook of Transportation Engineering. McGraw-Hill, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.