Παραπομπή APA

Rietveld, P., & Stough, R. (2005). Barriers to sustainable transport: Institutions, regulation and sustainability. Oxon ; New York, NY: Spon Press.

Παραπομπή Chicago Style

Rietveld, Piet., and Roger Stough. Barriers to Sustainable Transport: Institutions, Regulation and Sustainability. Oxon ; New York, NY: Spon Press, 2005.

Παραπομπή MLA

Rietveld, Piet., and Roger Stough. Barriers to Sustainable Transport: Institutions, Regulation and Sustainability. Oxon ; New York, NY: Spon Press, 2005.

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