Band 1+2 . Berlin, Boston: De Gruyter, 2009. Web. Retrieved 23 May. 2013, from http://www.degruyter.com/view/product/44714

Band 1+2 . (2009). Berlin, Boston: De Gruyter. Retrieved 23 May. 2013, from http://www.degruyter.com/view/product/44714

Band 1+2 . 2009. Berlin, Boston: De Gruyter. Retrieved 23 May. 2013, from http://www.degruyter.com/view/product/44714