Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). (2018). Highways and Transportation. East Midland Allied Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). Highways and Transportation. Peterborough, Inglaterra: East Midland Allied Press, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). Highways and Transportation. East Midland Allied Press, 2018.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.