Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). (2018). Highways and Transportation. East Midland Allied Press.
Lua i Stíl Chicago (17ú heag.)Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). Highways and Transportation. Peterborough, Inglaterra: East Midland Allied Press, 2018.
Lua MLA (8ú heag.)Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). Highways and Transportation. East Midland Allied Press, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.