European Conference of Ministers of Transport. (1999). Social aspects of road transport. European Conference of Ministers of Transport OECD Publications Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)European Conference of Ministers of Transport. Social Aspects of Road Transport. Paris Washington, D.C: European Conference of Ministers of Transport OECD Publications Service, 1999.
Παραπομπή σε μορφή MLA (8th εκδ.)European Conference of Ministers of Transport. Social Aspects of Road Transport. European Conference of Ministers of Transport OECD Publications Service, 1999.
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