Tolley, R. (2003). Sustainable transport: Planning for walking and cycling in urban environments. Boca Raton : Oxford: CRC Press Woodhead Publishing Limited.
Παραπομπή Chicago StyleTolley, Rodney. Sustainable Transport: Planning for Walking and Cycling in Urban Environments. Boca Raton : Oxford: CRC Press Woodhead Publishing Limited, 2003.
Παραπομπή MLATolley, Rodney. Sustainable Transport: Planning for Walking and Cycling in Urban Environments. Boca Raton : Oxford: CRC Press Woodhead Publishing Limited, 2003.
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