(2009). Journal of Transportation Engineering 2009. ASCE.
Lua i Stíl Chicago (17ú heag.)Journal of Transportation Engineering 2009. ASCE, 2009.
Lua MLA (8ú heag.)Journal of Transportation Engineering 2009. ASCE, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.