Bell, M. G. H., & Lida, Y. (1997). Transportation network analysis. John Wiley and Sons.
Cita Chicago (17th ed.)Bell, Michael G. H., i Yasunori Lida. Transportation Network Analysis. Chichester: John Wiley and Sons, 1997.
Cita MLA (9th ed.)Bell, Michael G. H., i Yasunori Lida. Transportation Network Analysis. John Wiley and Sons, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.