Mexican constitution proclaimed. (2013). The History Channel website. Retrieved 1:12, May 20, 2013, from http://www.history.com/this-day-in-history/mexican-constitution-proclaimed.
Mexican constitution proclaimed. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/mexican-constitution-proclaimed [Accessed 20 May 2013].
“Mexican constitution proclaimed.” 2013. The History Channel website. May 20 2013, 1:12 http://www.history.com/this-day-in-history/mexican-constitution-proclaimed.
“Mexican constitution proclaimed,” The History Channel website, 2013, http://www.history.com/this-day-in-history/mexican-constitution-proclaimed [accessed May 20, 2013].
“Mexican constitution proclaimed,” The History Channel website, http://www.history.com/this-day-in-history/mexican-constitution-proclaimed (accessed May 20, 2013).
Mexican constitution proclaimed [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/mexican-constitution-proclaimed.
Mexican constitution proclaimed, http://www.history.com/this-day-in-history/mexican-constitution-proclaimed (last visited May 20, 2013).
Mexican constitution proclaimed. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/mexican-constitution-proclaimed. Accessed May 20, 2013.