Dyfyniad APA

(1997). The European Councils. Office for Official Publications of the European Communities.

Dyfyniad Arddull Chicago

The European Councils. Luxembourg: Office for Official Publications of the European Communities, 1997.

Dyfyniad MLA

The European Councils. Office for Official Publications of the European Communities, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.