Ruiz Pérez, A. (2009). José Antonio Cheibub. Presidentialism, parliamentarism, and democracy. Nueva York: Cambridge University Press, 2007. 202 p. El Colegio de México A.C.
Cita Chicago Style (17a ed.)Ruiz Pérez, Andrés. José Antonio Cheibub. Presidentialism, Parliamentarism, and Democracy. Nueva York: Cambridge University Press, 2007. 202 P. El Colegio de México A.C, 2009.
Cita MLA (9a ed.)Ruiz Pérez, Andrés. José Antonio Cheibub. Presidentialism, Parliamentarism, and Democracy. Nueva York: Cambridge University Press, 2007. 202 P. El Colegio de México A.C, 2009.
警告：這些引文格式不一定是100％准確.