Institution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). (2018). Highways and Transportation. East Midland Allied Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). Highways and Transportation. Peterborough, Inglaterra: East Midland Allied Press, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInstitution of Highways and Transportation (Great Britain)\nHighway and Traffic Technicians Association (Great Britain). Highways and Transportation. East Midland Allied Press, 2018.
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