Hungary allows East Germans refugees to leave. (2013). The History Channel website. Retrieved 12:29, May 19, 2013, from http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave.
Hungary allows East Germans refugees to leave. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave [Accessed 19 May 2013].
“Hungary allows East Germans refugees to leave.” 2013. The History Channel website. May 19 2013, 12:29 http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave.
“Hungary allows East Germans refugees to leave,” The History Channel website, 2013, http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave [accessed May 19, 2013].
“Hungary allows East Germans refugees to leave,” The History Channel website, http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave (accessed May 19, 2013).
Hungary allows East Germans refugees to leave [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave.
Hungary allows East Germans refugees to leave, http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave (last visited May 19, 2013).
Hungary allows East Germans refugees to leave. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/hungary-allows-east-germans-refugees-to-leave. Accessed May 19, 2013.