Robert B. Zoellick was nominated by President George W. Bush as the eleventh president of the World Bank, replacing the unpopular Paul Wolfowitz.
Robert Bruce Zoelick. (2013). The Biography Channel website. Retrieved 03:08, May 25, 2013, from http://www.biography.com/people/robert-b-zoellick-507401.
Robert Bruce Zoelick. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/robert-b-zoellick-507401 [Accessed 25 May 2013].
"Robert Bruce Zoelick." 2013. The Biography Channel website. May 25 2013, 03:08 http://www.biography.com/people/robert-b-zoellick-507401.
"Robert Bruce Zoelick," The Biography Channel website, 2013, http://www.biography.com/people/robert-b-zoellick-507401 [accessed May 25, 2013].
"Robert Bruce Zoelick," The Biography Channel website, http://www.biography.com/people/robert-b-zoellick-507401 (accessed May 25, 2013).
Robert Bruce Zoelick [Internet]. The Biography Channel website; 2013 [cited 2013 May 25] Available from: http://www.biography.com/people/robert-b-zoellick-507401.
Robert Bruce Zoelick, http://www.biography.com/people/robert-b-zoellick-507401 (last visited May 25, 2013).
Robert Bruce Zoelick. The Biography Channel website. 2013. Available at: http://www.biography.com/people/robert-b-zoellick-507401. Accessed May 25, 2013.