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Παραπομπή σε μορφή Chicago (17η εκδ.)European Commission. Public-private Partneships: Delivering for the European Transport Network. Luxembourg: Office for Official Publications of the European Communities, 2009.
Παραπομπή σε μορφή MLA (8th εκδ.)European Commission. Public-private Partneships: Delivering for the European Transport Network. Office for Official Publications of the European Communities, 2009.
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