^Bland, Gary "Assessing the transition to democracy" in Tulchin, Joseph S. with Gary Bland (1992) Is there a transition to democracy in El Salvador? Boulder: Westview Press, p 166
^ abGrieb, Kenneth J. (1971). "The United States and the Rise of General Maximiliano Hernández Martínez". Journal of Latin American Studies. 3 (2): 151–172. doi:10.1017/S0022216X00001425.