DURÁN, Esperanza. S. E. Finer. The changing British party system : 1945-1979. Washington : American Enterprise Institute for Public Policy Research, 1980. 244 p. Foro Internacional, México, Ciudad de México, v. 22, n. 3, p. 342–345, 1982. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/924. Acesso em: 30 abr. 2025.