Laurence Whitehead. Democratization: Theory and Experience (Oxford University Press, 2002).

Правящая партия называлась Национальной революционной партией до 1946 года.

Wayne A. Cornelius. “Mobilized Voting in the 2000 Elections: The Changing Efficacy of Vote Buying and Coercion in Mexican Electoral Politics” // Jorge I. Domínguez and Chappell H. Lawson (eds). Mexico’s Pivotal Democratic Election: Candidates, Voters, and the Presidential Campaign of 2000 (Stanford University Press, 2000): 47–67, 48.