Παραπομπή σε μορφή APA (7η εκδ.)

European Commission. Preparing for the global challenge: European Union-Canada, European Union-United States. Office for Official Publications of the European Communities.

Παραπομπή σε μορφή Chicago (17η εκδ.)

European Commission. Preparing for the Global Challenge: European Union-Canada, European Union-United States. Luxembourg: Office for Official Publications of the European Communities.

Παραπομπή σε μορφή MLA (8th εκδ.)

European Commission. Preparing for the Global Challenge: European Union-Canada, European Union-United States. Office for Official Publications of the European Communities.