Langston, Joy. “Kathleen Bruhn, Taking on Goliath: The Emergence of a New Left Party and the Struggle for Democracy in México, Pensilvania, 1997”. Política Y Gobierno, vol. 4, no. 2, Apr. 1997, pp. 574-6, http://www.politicaygobierno.cide.edu/index.php/pyg/article/view/539.