Soviet Union attacks Chinese policy toward Vietnam. (2013). The History Channel website. Retrieved 11:14, May 20, 2013, from http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam.
Soviet Union attacks Chinese policy toward Vietnam. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam [Accessed 20 May 2013].
“Soviet Union attacks Chinese policy toward Vietnam.” 2013. The History Channel website. May 20 2013, 11:14 http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam.
“Soviet Union attacks Chinese policy toward Vietnam,” The History Channel website, 2013, http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam [accessed May 20, 2013].
“Soviet Union attacks Chinese policy toward Vietnam,” The History Channel website, http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam (accessed May 20, 2013).
Soviet Union attacks Chinese policy toward Vietnam [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam.
Soviet Union attacks Chinese policy toward Vietnam, http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam (last visited May 20, 2013).
Soviet Union attacks Chinese policy toward Vietnam. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/soviet-union-attacks-chinese-policy-toward-vietnam. Accessed May 20, 2013.