South Vietnamese forces withdraw from Cambodia. (2013). The History Channel website. Retrieved 7:54, May 18, 2013, from http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia.
South Vietnamese forces withdraw from Cambodia. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia [Accessed 18 May 2013].
“South Vietnamese forces withdraw from Cambodia.” 2013. The History Channel website. May 18 2013, 7:54 http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia.
“South Vietnamese forces withdraw from Cambodia,” The History Channel website, 2013, http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia [accessed May 18, 2013].
“South Vietnamese forces withdraw from Cambodia,” The History Channel website, http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia (accessed May 18, 2013).
South Vietnamese forces withdraw from Cambodia [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia.
South Vietnamese forces withdraw from Cambodia, http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia (last visited May 18, 2013).
South Vietnamese forces withdraw from Cambodia. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/south-vietnamese-forces-withdraw-from-cambodia. Accessed May 18, 2013.