Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Tendances des migrations internationales 2004: Rapport annuel. OCDE-Organisation de cooperation et developpement economiques.

Organisation for Economic Co-operation and Development and ProQuest (Firm). Tendances Des Migrations Internationales 2004: Rapport Annuel. Paris: OCDE-Organisation de cooperation et developpement economiques, 2005.

Organisation for Economic Co-operation and Development and ProQuest (Firm). Tendances Des Migrations Internationales 2004: Rapport Annuel. OCDE-Organisation de cooperation et developpement economiques, 2005.