MiGs shot down as bombing of North Vietnam continues. (2013). The History Channel website. Retrieved 1:49, May 19, 2013, from http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues.
MiGs shot down as bombing of North Vietnam continues. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues [Accessed 19 May 2013].
“MiGs shot down as bombing of North Vietnam continues.” 2013. The History Channel website. May 19 2013, 1:49 http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues.
“MiGs shot down as bombing of North Vietnam continues,” The History Channel website, 2013, http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues [accessed May 19, 2013].
“MiGs shot down as bombing of North Vietnam continues,” The History Channel website, http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues (accessed May 19, 2013).
MiGs shot down as bombing of North Vietnam continues [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues.
MiGs shot down as bombing of North Vietnam continues, http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues (last visited May 19, 2013).
MiGs shot down as bombing of North Vietnam continues. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/migs-shot-down-as-bombing-of-north-vietnam-continues. Accessed May 19, 2013.