Fischer, Ernst (Ed.), Reinhard Wittmann (Ed.) and Jan-Pieter Barbian. Teilband 1 . Berlin, Boston: De Gruyter, 2013. Web. Retrieved 21 May. 2013, from http://www.degruyter.com/view/product/28558

Fischer, E. (Ed.), Wittmann, R. (Ed.) & Barbian, J. (2013). Teilband 1 . Berlin, Boston: De Gruyter. Retrieved 21 May. 2013, from http://www.degruyter.com/view/product/28558

Fischer, Ernst (Ed.), Reinhard Wittmann (Ed.) and Jan-Pieter Barbian. 2013. Teilband 1 . Berlin, Boston: De Gruyter. Retrieved 21 May. 2013, from http://www.degruyter.com/view/product/28558