Nazis take Czechoslovakia. (2013). The History Channel website. Retrieved 10:51, May 25, 2013, from http://www.history.com/this-day-in-history/nazis-take-czechoslovakia.
Nazis take Czechoslovakia. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/nazis-take-czechoslovakia [Accessed 25 May 2013].
“Nazis take Czechoslovakia.” 2013. The History Channel website. May 25 2013, 10:51 http://www.history.com/this-day-in-history/nazis-take-czechoslovakia.
“Nazis take Czechoslovakia,” The History Channel website, 2013, http://www.history.com/this-day-in-history/nazis-take-czechoslovakia [accessed May 25, 2013].
“Nazis take Czechoslovakia,” The History Channel website, http://www.history.com/this-day-in-history/nazis-take-czechoslovakia (accessed May 25, 2013).
Nazis take Czechoslovakia [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/nazis-take-czechoslovakia.
Nazis take Czechoslovakia, http://www.history.com/this-day-in-history/nazis-take-czechoslovakia (last visited May 25, 2013).
Nazis take Czechoslovakia. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/nazis-take-czechoslovakia. Accessed May 25, 2013.