Παραπομπή APA

European Commission. (1999). STEMM: Strategic European multi-modal modelling. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή Chicago Style

European Commission. STEMM: Strategic European Multi-modal Modelling. Luxembourg: Office for Official Publications of the European Communities, 1999.

Παραπομπή MLA

European Commission. STEMM: Strategic European Multi-modal Modelling. Luxembourg: Office for Official Publications of the European Communities, 1999.

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