Baguley, C. J. (1981). Speed control humps: Further public road trials. Transport and Road Research Laboratory.
Chicago Style aipamenaBaguley, C. J. Speed Control Humps: Further Public Road Trials. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
MLA aipamenaBaguley, C. J. Speed Control Humps: Further Public Road Trials. Transport and Road Research Laboratory, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.