APA
U.K. Department of Transport. Traffic Advisory Unit, . (1980). Bus selective detection in Swansea. London: U.K. Department of Transport. Traffic Advisory Unit.
Chicago
U.K. Department of Transport. Traffic Advisory Unit, . 1980. Bus selective detection in Swansea. London: U.K. Department of Transport. Traffic Advisory Unit.
Harvard
U.K. Department of Transport. Traffic Advisory Unit, . (1980). Bus selective detection in Swansea. London: U.K. Department of Transport. Traffic Advisory Unit.
MLA
U.K. Department of Transport. Traffic Advisory Unit, . Bus selective detection in Swansea. London: U.K. Department of Transport. Traffic Advisory Unit. 1980.