Le Duc Tho joins negotiations in Paris. (2013). The History Channel website. Retrieved 9:03, May 20, 2013, from http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris.
Le Duc Tho joins negotiations in Paris. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris [Accessed 20 May 2013].
“Le Duc Tho joins negotiations in Paris.” 2013. The History Channel website. May 20 2013, 9:03 http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris.
“Le Duc Tho joins negotiations in Paris,” The History Channel website, 2013, http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris [accessed May 20, 2013].
“Le Duc Tho joins negotiations in Paris,” The History Channel website, http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris (accessed May 20, 2013).
Le Duc Tho joins negotiations in Paris [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris.
Le Duc Tho joins negotiations in Paris, http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris (last visited May 20, 2013).
Le Duc Tho joins negotiations in Paris. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/le-duc-tho-joins-negotiations-in-paris. Accessed May 20, 2013.