Holleman, Arnold F., Nils Wiberg, Egon Wiberg, et al. Lehrbuch der Anorganischen Chemie. Berlin, Boston: De Gruyter, 2008. Web. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/19732

Holleman, A., Wiberg, N., Wiberg, E., et al. (2008). Lehrbuch der Anorganischen Chemie. Berlin, Boston: De Gruyter. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/19732

Holleman, Arnold F., Nils Wiberg, Egon Wiberg, et al. 2008. Lehrbuch der Anorganischen Chemie. Berlin, Boston: De Gruyter. Retrieved 19 May. 2013, from http://www.degruyter.com/view/product/19732