U.S. aircraft conduct heavy raids on Hanoi and Haiphong. (2013). The History Channel website. Retrieved 6:13, May 21, 2013, from http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong.
U.S. aircraft conduct heavy raids on Hanoi and Haiphong. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong [Accessed 21 May 2013].
“U.S. aircraft conduct heavy raids on Hanoi and Haiphong.” 2013. The History Channel website. May 21 2013, 6:13 http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong.
“U.S. aircraft conduct heavy raids on Hanoi and Haiphong,” The History Channel website, 2013, http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong [accessed May 21, 2013].
“U.S. aircraft conduct heavy raids on Hanoi and Haiphong,” The History Channel website, http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong (accessed May 21, 2013).
U.S. aircraft conduct heavy raids on Hanoi and Haiphong [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong.
U.S. aircraft conduct heavy raids on Hanoi and Haiphong, http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong (last visited May 21, 2013).
U.S. aircraft conduct heavy raids on Hanoi and Haiphong. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/us-aircraft-conduct-heavy-raids-on-hanoi-and-haiphong. Accessed May 21, 2013.