Mikhail Gorbachev wins Nobel Peace Prize. (2013). The History Channel website. Retrieved 1:23, May 26, 2013, from http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize.
Mikhail Gorbachev wins Nobel Peace Prize. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize [Accessed 26 May 2013].
“Mikhail Gorbachev wins Nobel Peace Prize.” 2013. The History Channel website. May 26 2013, 1:23 http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize.
“Mikhail Gorbachev wins Nobel Peace Prize,” The History Channel website, 2013, http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize [accessed May 26, 2013].
“Mikhail Gorbachev wins Nobel Peace Prize,” The History Channel website, http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize (accessed May 26, 2013).
Mikhail Gorbachev wins Nobel Peace Prize [Internet]. The History Channel website; 2013 [cited 2013 May 26] Available from: http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize.
Mikhail Gorbachev wins Nobel Peace Prize, http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize (last visited May 26, 2013).
Mikhail Gorbachev wins Nobel Peace Prize. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/mikhail-gorbachev-wins-nobel-peace-prize. Accessed May 26, 2013.