Ukraine signs peace treaty with Central Powers. (2013). The History Channel website. Retrieved 8:48, May 19, 2013, from http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers.
Ukraine signs peace treaty with Central Powers. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers [Accessed 19 May 2013].
“Ukraine signs peace treaty with Central Powers.” 2013. The History Channel website. May 19 2013, 8:48 http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers.
“Ukraine signs peace treaty with Central Powers,” The History Channel website, 2013, http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers [accessed May 19, 2013].
“Ukraine signs peace treaty with Central Powers,” The History Channel website, http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers (accessed May 19, 2013).
Ukraine signs peace treaty with Central Powers [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers.
Ukraine signs peace treaty with Central Powers, http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers (last visited May 19, 2013).
Ukraine signs peace treaty with Central Powers. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/ukraine-signs-peace-treaty-with-central-powers. Accessed May 19, 2013.