Magnus, Ulrich and Michael Martinek. Wiener UN-Kaufrecht. (CISG). Berlin, Boston: Sellier - de Gruyter, 2012. Web. Retrieved 24 May. 2013, from http://www.degruyter.com/view/product/179501

Magnus, U. & Martinek, M. (2012). Wiener UN-Kaufrecht. (CISG). Berlin, Boston: Sellier - de Gruyter. Retrieved 24 May. 2013, from http://www.degruyter.com/view/product/179501

Magnus, Ulrich and Michael Martinek. 2012. Wiener UN-Kaufrecht. (CISG). Berlin, Boston: Sellier - de Gruyter. Retrieved 24 May. 2013, from http://www.degruyter.com/view/product/179501