Russian military plane crashes into mountain. (2013). The History Channel website. Retrieved 2:46, May 25, 2013, from http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain.
Russian military plane crashes into mountain. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain [Accessed 25 May 2013].
“Russian military plane crashes into mountain.” 2013. The History Channel website. May 25 2013, 2:46 http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain.
“Russian military plane crashes into mountain,” The History Channel website, 2013, http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain [accessed May 25, 2013].
“Russian military plane crashes into mountain,” The History Channel website, http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain (accessed May 25, 2013).
Russian military plane crashes into mountain [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain.
Russian military plane crashes into mountain, http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain (last visited May 25, 2013).
Russian military plane crashes into mountain. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/russian-military-plane-crashes-into-mountain. Accessed May 25, 2013.