Statistical Office of the European Communities. (1989). Basic statistics of the community: Comparison with some European countries, Canada, the USA, Japan, and the USSR (26st ed.). Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleStatistical Office of the European Communities. Basic Statistics of the Community: Comparison With Some European Countries, Canada, the USA, Japan, and the USSR. 26st ed. Luxembourg: Office for Official Publications of the European Communities, 1989.
Παραπομπή MLAStatistical Office of the European Communities. Basic Statistics of the Community: Comparison With Some European Countries, Canada, the USA, Japan, and the USSR. 26st ed. Luxembourg: Office for Official Publications of the European Communities, 1989.