Tolley, R. (1997). The greening of urban transport: : planning for walking and cycling in Western cities (2nd ed.). Chichester: John Wiley & Sons.
Παραπομπή Chicago StyleTolley, Rodney. The Greening of Urban Transport: : Planning for Walking and Cycling in Western Cities. 2nd ed. Chichester: John Wiley & Sons, 1997.
Παραπομπή MLATolley, Rodney. The Greening of Urban Transport: : Planning for Walking and Cycling in Western Cities. 2nd ed. Chichester: John Wiley & Sons, 1997.
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