APA (7th ed.) Zitazioa
Rodrigue, J., Comtois, C., & Slack, B. (2017). The geography of transport systems (4th ed.). Routledge.
Chicago Style (17th ed.) Zitazioa
Rodrigue, Jean-Paul, Claude Comtois, eta Brian Slack. The Geography of Transport Systems. 4th ed. New York: Routledge, 2017.
MLA (9th ed.) Zitazioa
Rodrigue, Jean-Paul, et al. The Geography of Transport Systems. 4th ed. Routledge, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.