Wittek, Ulrich G. "D" Band 7 Gesamtregister. Berlin, Boston: De Gruyter, 2010. 86-93. Web. Retrieved 21 May. 2013, from http://www.degruyter.com/view/books/9783899498516/9783899498516.86/9783899498516.86.xml

Wittek, U. (2010). D. Band 7 Gesamtregister (pp. 86-93). Berlin, Boston: De Gruyter. Retrieved 21 May. 2013, from http://www.degruyter.com/view/books/9783899498516/9783899498516.86/9783899498516.86.xml

Wittek, Ulrich G. 2010. D. In Band 7 Gesamtregister, 86-93. Berlin, Boston: De Gruyter. Retrieved 21 May. 2013, from http://www.degruyter.com/view/books/9783899498516/9783899498516.86/9783899498516.86.xml