Johnson advised to bomb North Vietnam. (2013). The History Channel website. Retrieved 7:19, May 21, 2013, from http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam.
Johnson advised to bomb North Vietnam. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam [Accessed 21 May 2013].
“Johnson advised to bomb North Vietnam.” 2013. The History Channel website. May 21 2013, 7:19 http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam.
“Johnson advised to bomb North Vietnam,” The History Channel website, 2013, http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam [accessed May 21, 2013].
“Johnson advised to bomb North Vietnam,” The History Channel website, http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam (accessed May 21, 2013).
Johnson advised to bomb North Vietnam [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam.
Johnson advised to bomb North Vietnam, http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam (last visited May 21, 2013).
Johnson advised to bomb North Vietnam. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/johnson-advised-to-bomb-north-vietnam. Accessed May 21, 2013.