Ball, C. (1994). Bridging the gulf: Improving social cohesion in Europe : the work of the European Foundation for the Improvement of Living and Working Conditions, 1984-1993. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ball, Colin. Bridging the Gulf: Improving Social Cohesion in Europe : The Work of the European Foundation for the Improvement of Living and Working Conditions, 1984-1993. Luxembourg: Office for Official Publications of the European Communities, 1994.
Παραπομπή σε μορφή MLA (9th εκδ.)Ball, Colin. Bridging the Gulf: Improving Social Cohesion in Europe : The Work of the European Foundation for the Improvement of Living and Working Conditions, 1984-1993. Office for Official Publications of the European Communities, 1994.