Porfirio Díaz was a soldier and president of Mexico who is best known for establishing a strong centralized state during his term.
Porfirio Díaz. (2013). The Biography Channel website. Retrieved 05:24, May 23, 2013, from http://www.biography.com/people/porfirio-díaz-40907.
Porfirio Díaz. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/porfirio-díaz-40907 [Accessed 23 May 2013].
"Porfirio Díaz." 2013. The Biography Channel website. May 23 2013, 05:24 http://www.biography.com/people/porfirio-díaz-40907.
"Porfirio Díaz," The Biography Channel website, 2013, http://www.biography.com/people/porfirio-díaz-40907 [accessed May 23, 2013].
"Porfirio Díaz," The Biography Channel website, http://www.biography.com/people/porfirio-díaz-40907 (accessed May 23, 2013).
Porfirio Díaz [Internet]. The Biography Channel website; 2013 [cited 2013 May 23] Available from: http://www.biography.com/people/porfirio-díaz-40907.
Porfirio Díaz, http://www.biography.com/people/porfirio-díaz-40907 (last visited May 23, 2013).
Porfirio Díaz. The Biography Channel website. 2013. Available at: http://www.biography.com/people/porfirio-díaz-40907. Accessed May 23, 2013.