Bly, P. H., & Oldfield, R. H. (1974). Optimisation of a simple model bus network. Transport and Road Research Laboratory.
Cita Chicago (17th ed.)Bly, P. H., i R. H. Oldfield. Optimisation of a Simple Model Bus Network. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1974.
Cita MLA (9th ed.)Bly, P. H., i R. H. Oldfield. Optimisation of a Simple Model Bus Network. Transport and Road Research Laboratory, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.