Rodrigue, J., Comtois, C., & Slack, B. (2009). The geography of transport systems (2a. ed.). Routledge.
Cita Chicago (17th ed.)Rodrigue, Jean-Paul, Claude Comtois, i Brian Slack. The Geography of Transport Systems. 2a. ed. Londres: Routledge, 2009.
Cita MLA (9th ed.)Rodrigue, Jean-Paul, et al. The Geography of Transport Systems. 2a. ed. Routledge, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.