North Vietnamese launch second front of Nguyen Hue Offensive. (2013). The History Channel website. Retrieved 6:51, June 20, 2013, from http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive.
North Vietnamese launch second front of Nguyen Hue Offensive. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive [Accessed 20 Jun 2013].
“North Vietnamese launch second front of Nguyen Hue Offensive.” 2013. The History Channel website. Jun 20 2013, 6:51 http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive.
“North Vietnamese launch second front of Nguyen Hue Offensive,” The History Channel website, 2013, http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive [accessed Jun 20, 2013].
“North Vietnamese launch second front of Nguyen Hue Offensive,” The History Channel website, http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive (accessed Jun 20, 2013).
North Vietnamese launch second front of Nguyen Hue Offensive [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive.
North Vietnamese launch second front of Nguyen Hue Offensive, http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive (last visited Jun 20, 2013).
North Vietnamese launch second front of Nguyen Hue Offensive. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/north-vietnamese-launch-second-front-of-nguyen-hue-offensive. Accessed Jun 20, 2013.