Clinton ends Vietnam trade embargo. (2013). The History Channel website. Retrieved 6:14, May 25, 2013, from http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo.
Clinton ends Vietnam trade embargo. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo [Accessed 25 May 2013].
“Clinton ends Vietnam trade embargo.” 2013. The History Channel website. May 25 2013, 6:14 http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo.
“Clinton ends Vietnam trade embargo,” The History Channel website, 2013, http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo [accessed May 25, 2013].
“Clinton ends Vietnam trade embargo,” The History Channel website, http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo (accessed May 25, 2013).
Clinton ends Vietnam trade embargo [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo.
Clinton ends Vietnam trade embargo, http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo (last visited May 25, 2013).
Clinton ends Vietnam trade embargo. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/clinton-ends-vietnam-trade-embargo. Accessed May 25, 2013.