Gerken, Uwe, Mathias Rohe and Stefan Smid. Band 3 §§ 128-252. Berlin, Boston: De Gruyter, 2012. Web. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/product/174101

Gerken, U., Rohe, M. & Smid, S. (2012). Band 3 §§ 128-252. Berlin, Boston: De Gruyter. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/product/174101

Gerken, Uwe, Mathias Rohe and Stefan Smid. 2012. Band 3 §§ 128-252. Berlin, Boston: De Gruyter. Retrieved 19 Jun. 2013, from http://www.degruyter.com/view/product/174101