1. Commission of the European Communities. 2008. “A Common Immigration Policy for Europe: Principles, Actions and Tools.” http://www.ypes.gr/UserFiles/f0ff9297-f516-40ff-a70e-eca84e2ec9b9/COM-2008-359-17062008.pdf.
2. Dai, Yu. 2015. “Quanmian Lianghai Zhengce Beihou de Shuju Miju” [Puzzle behind the Universal two-child policy Data]. Nanfeng Chuang [South Reviews] November 20 . http://www.nfcmag.com/article/6057.html.
3. Dang, Ai-Thu, and Jean-Marie Monnier. 2011. Gender Regimes and Welfare States in France: A Historical Perspective. Working Paper 2011-40 of CNRS UMR 7235. Université de Paris Quest Nanterre La Defense.