Παραπομπή APA
European Commission. (1999). Comfortable: Comfort - advanced benefits for logical VTS equipment. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. Comfortable: Comfort - Advanced Benefits for Logical VTS Equipment. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLAEuropean Commission. Comfortable: Comfort - Advanced Benefits for Logical VTS Equipment. Luxembourg: Office for Official Publications of the European Communities, 1999.
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