Riggs, Fred W. (1997). "Presidentialism versus Parliamentarism: Implications for Representativeness and Legitimacy". International Political Science Review. 18 (3): 258. doi: 10.1177/019251297018003003. JSTOR1601343. S2CID145450791.
Riggs, Fred W. (1997). "Presidentialism versus Parliamentarism: Implications for Representativeness and Legitimacy". International Political Science Review. 18 (3): 258. doi: 10.1177/019251297018003003. JSTOR1601343. S2CID145450791.
scielo.br
"Presidencialismo de Coalizão e Crise de Governança. Conjuntura Política. Belo Horizonte, Associação Brasileira de Ciência Política. ABCP. Departamento de Ciência Política. UFMG (www.cevep.ufmg.br/bacp), n.26, jun. 2001, apud MORAES, F. InExecutivo e Legislativo no Brasil pós Constituinte
semanticscholar.org
Riggs, Fred W. (1997). "Presidentialism versus Parliamentarism: Implications for Representativeness and Legitimacy". International Political Science Review. 18 (3): 258. doi: 10.1177/019251297018003003. JSTOR1601343. S2CID145450791.