Layfield, R. E. (1981). Demand for bus travel: The effects of service and fare changes in Gosport and Fareham. Transport and Road Research Laboratory.
Čikaški stil citiranja (17. izdanje)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 način citiranja (9. izdanje)Layfield, R. E. Demand for Bus Travel: The Effects of Service and Fare Changes in Gosport and Fareham. Transport and Road Research Laboratory, 1981.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.