Παραπομπή APA
European Commission. (1999). Cascade: Contribution for assessment of common ATM development in Europe. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Cascade: Contribution for Assessment of Common ATM Development in Europe. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLAEuropean Commission. Cascade: Contribution for Assessment of Common ATM Development in Europe. Luxembourg: Office for Official Publications of the European Communities, 1999.
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