Layfield, R. E. (1981). Demand for bus travel: The effects of service and fare changes in Gosport and Fareham. Transport and Road Research Laboratory.
Citação norma ChicagoLayfield, R. E. Demand for Bus Travel: The Effects of Service and Fare Changes in Gosport and Fareham. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1981.
Citação norma MLALayfield, R. E. Demand for Bus Travel: The Effects of Service and Fare Changes in Gosport and Fareham. Transport and Road Research Laboratory, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.