Layfield, R. E. (1981). Demand for bus travel: The effects of service and fare changes in Gosport and Fareham. Transport and Road Research Laboratory.
芝加哥风格引文Layfield, 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.
MLA引文Layfield, R. E. Demand for Bus Travel: The Effects of Service and Fare Changes in Gosport and Fareham. Transport and Road Research Laboratory, 1981.
警告：这些引文格式不一定是100％准确.