Wonders of Latin America: Engineering an Empire Aztecs. (2013). The History Channel website. Retrieved 9:30, June 19, 2013, from http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs.
Wonders of Latin America: Engineering an Empire Aztecs. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs [Accessed 19 Jun 2013].
“Wonders of Latin America: Engineering an Empire Aztecs.” 2013. The History Channel website. Jun 19 2013, 9:30 http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs.
“Wonders of Latin America: Engineering an Empire Aztecs,” The History Channel website, 2013, http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs [accessed Jun 19, 2013].
“Wonders of Latin America: Engineering an Empire Aztecs,” The History Channel website, http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs (accessed Jun 19, 2013).
Wonders of Latin America: Engineering an Empire Aztecs [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs.
Wonders of Latin America: Engineering an Empire Aztecs, http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs (last visited Jun 19, 2013).
Wonders of Latin America: Engineering an Empire Aztecs. The History Channel website. 2013. Available at: http://www.history.com/videos/wonders-of-latin-america-engineering-an-empire-aztecs. Accessed Jun 19, 2013.