Birth of Democracy. (2013). The History Channel website. Retrieved 9:22, May 23, 2013, from http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives.
Birth of Democracy. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives [Accessed 23 May 2013].
“Birth of Democracy.” 2013. The History Channel website. May 23 2013, 9:22 http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives.
“Birth of Democracy,” The History Channel website, 2013, http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives [accessed May 23, 2013].
“Birth of Democracy,” The History Channel website, http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives (accessed May 23, 2013).
Birth of Democracy [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives.
Birth of Democracy, http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives (last visited May 23, 2013).
Birth of Democracy. The History Channel website. 2013. Available at: http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/web-exclusives. Accessed May 23, 2013.