Παραπομπή APA

European Commission. (1998). Optimisation of policies for transport integration in metropolitan areas: Optima. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Commission. Optimisation of Policies for Transport Integration in Metropolitan Areas: Optima. Luxembourg: Office for Official Publications of the European Communities, 1998.

Παραπομπή MLA

European Commission. Optimisation of Policies for Transport Integration in Metropolitan Areas: Optima. Luxembourg: Office for Official Publications of the European Communities, 1998.

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