Commission of the European Communities. Directorate-General for Employment, Industrial Relations, and Social Affairs. (1991). Immigration of citizens from third countries into the southern member states of the European Community: A comparative survey of the situation in Greece, Italy, Spain, and Portugal. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Commission of the European Communities. Directorate-General for Employment, Industrial Relations, and Social Affairs. Immigration of Citizens from Third Countries into the Southern Member States of the European Community: A Comparative Survey of the Situation in Greece, Italy, Spain, and Portugal. Luxembourg: Office for Official Publications of the European Communities, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)Commission of the European Communities. Directorate-General for Employment, Industrial Relations, and Social Affairs. Immigration of Citizens from Third Countries into the Southern Member States of the European Community: A Comparative Survey of the Situation in Greece, Italy, Spain, and Portugal. Office for Official Publications of the European Communities, 1991.