Cita APA (7th ed.)

Bly, P. H., & Webster, F. V. (1979). Contra-flow bus lanes: Economic justification using a theoretical model. Transport and Road Research Laboratory.

Cita Chicago (17th ed.)

Bly, P. H., i F. V. Webster. Contra-flow Bus Lanes: Economic Justification Using a Theoretical Model. Crowthorne, Berk: Transport and Road Research Laboratory, 1979.

Cita MLA (9th ed.)

Bly, P. H., i F. V. Webster. Contra-flow Bus Lanes: Economic Justification Using a Theoretical Model. Transport and Road Research Laboratory, 1979.