Tumlin, J. (2011). Sustainable transportation planning. Wiley.
Chicago Style (17th ed.) ZitazioaTumlin, Jeffrey. Sustainable Transportation Planning. Hoboken, N.J.: Wiley, 2011.
MLA (9th ed.) ZitazioaTumlin, Jeffrey. Sustainable Transportation Planning. Wiley, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.