North Vietnamese accuse South Vietnam and the United States of attack. (2013). The History Channel website. Retrieved 7:41, May 21, 2013, from http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack.
North Vietnamese accuse South Vietnam and the United States of attack. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack [Accessed 21 May 2013].
“North Vietnamese accuse South Vietnam and the United States of attack.” 2013. The History Channel website. May 21 2013, 7:41 http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack.
“North Vietnamese accuse South Vietnam and the United States of attack,” The History Channel website, 2013, http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack [accessed May 21, 2013].
“North Vietnamese accuse South Vietnam and the United States of attack,” The History Channel website, http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack (accessed May 21, 2013).
North Vietnamese accuse South Vietnam and the United States of attack [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack.
North Vietnamese accuse South Vietnam and the United States of attack, http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack (last visited May 21, 2013).
North Vietnamese accuse South Vietnam and the United States of attack. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/north-vietnamese-accuse-south-vietnam-and-the-united-states-of-attack. Accessed May 21, 2013.