Commission of the European Communities. (1993). Research publications 1992: Catalogue of publications issued by the Dissemination of Scientific and Technical Knowledge Unit DG XIII/D-2. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleCommission of the European Communities. Research Publications 1992: Catalogue of Publications Issued By the Dissemination of Scientific and Technical Knowledge Unit DG XIII/D-2. Luxembourg: Office for Official Publications of the European Communities, 1993.
Παραπομπή MLACommission of the European Communities. Research Publications 1992: Catalogue of Publications Issued By the Dissemination of Scientific and Technical Knowledge Unit DG XIII/D-2. Luxembourg: Office for Official Publications of the European Communities, 1993.