APA (7th ed.) Zitazioa

(1990). The greening of urban transport:planning for: Walking and cycling in western cities. Belhaven.

Chicago Style (17th ed.) Zitazioa

The Greening of Urban Transport:planning for: Walking and Cycling in Western Cities. London: Belhaven, 1990.

MLA (9th ed.) Zitazioa

The Greening of Urban Transport:planning for: Walking and Cycling in Western Cities. Belhaven, 1990.