Mankind The Story of All of Us: Inventors. (2013). The History Channel website. Retrieved 8:54, June 19, 2013, from http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes.
Mankind The Story of All of Us: Inventors. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes [Accessed 19 Jun 2013].
“Mankind The Story of All of Us: Inventors.” 2013. The History Channel website. Jun 19 2013, 8:54 http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes.
“Mankind The Story of All of Us: Inventors,” The History Channel website, 2013, http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes [accessed Jun 19, 2013].
“Mankind The Story of All of Us: Inventors,” The History Channel website, http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes (accessed Jun 19, 2013).
Mankind The Story of All of Us: Inventors [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes.
Mankind The Story of All of Us: Inventors, http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes (last visited Jun 19, 2013).
Mankind The Story of All of Us: Inventors. The History Channel website. 2013. Available at: http://www.history.com/shows/mankind-the-story-of-all-of-us/videos/playlists/full-episodes. Accessed Jun 19, 2013.