U.S. establishes diplomatic relations with Vietnam. (2013). The History Channel website. Retrieved 7:39, May 21, 2013, from http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam.
U.S. establishes diplomatic relations with Vietnam. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam [Accessed 21 May 2013].
“U.S. establishes diplomatic relations with Vietnam.” 2013. The History Channel website. May 21 2013, 7:39 http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam.
“U.S. establishes diplomatic relations with Vietnam,” The History Channel website, 2013, http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam [accessed May 21, 2013].
“U.S. establishes diplomatic relations with Vietnam,” The History Channel website, http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam (accessed May 21, 2013).
U.S. establishes diplomatic relations with Vietnam [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam.
U.S. establishes diplomatic relations with Vietnam, http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam (last visited May 21, 2013).
U.S. establishes diplomatic relations with Vietnam. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/us-establishes-diplomatic-relations-with-vietnam. Accessed May 21, 2013.