Mitchell, C. G. B. (1980). The use of local bus services. Transport and Road Research Laboratory.
Cita Chicago (17th ed.)Mitchell, C. G. B. The Use of Local Bus Services. Crowthorne, Berk: Transport and Road Research Laboratory, 1980.
Cita MLA (9th ed.)Mitchell, C. G. B. The Use of Local Bus Services. Transport and Road Research Laboratory, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.