Groupe Parlementaire du Parti des Socialistes Européens & Parliamentary Group of the Party of European Socialists. (2002). Bilan politique = Political review.
Chicago Style (17. basım) AtıfGroupe Parlementaire du Parti des Socialistes Européens ve Parliamentary Group of the Party of European Socialists. Bilan Politique = Political Review. 2002.
MLA (8th ed.) AtıfGroupe Parlementaire du Parti des Socialistes Européens ve Parliamentary Group of the Party of European Socialists. Bilan Politique = Political Review. 2002.
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