Annual Meeting of the Association of German Economic Research Institutes (Berlin) : 2009.04.23 & Wey, C. (2009). Twenty years of economic reconstruction in East Germany: Ed. by Christian Wey and Klaus F. Zimmermann. Duncker & Humblot.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Annual Meeting of the Association of German Economic Research Institutes (Berlin) : 2009.04.23 và Christian Wey. Twenty Years of Economic Reconstruction in East Germany: Ed. by Christian Wey and Klaus F. Zimmermann. Berlin: Duncker & Humblot, 2009.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Annual Meeting of the Association of German Economic Research Institutes (Berlin) : 2009.04.23 và Christian Wey. Twenty Years of Economic Reconstruction in East Germany: Ed. by Christian Wey and Klaus F. Zimmermann. Duncker & Humblot, 2009.