Dyfyniad APA

Button,Kenneth J, & Verhoef,Erik T. Road pricing,Traffic congestion and the environment. Edward Elgar Publishing Ltd.

Dyfyniad Arddull Chicago

Button,Kenneth J, and Verhoef,Erik T. Road Pricing,Traffic Congestion and the Environment. U K: Edward Elgar Publishing Ltd.

Dyfyniad MLA

Button,Kenneth J, and Verhoef,Erik T. Road Pricing,Traffic Congestion and the Environment. Edward Elgar Publishing Ltd.

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