Não informado. (1965). Government and Opposition. London School of Economics and Political Science.
Citação do estilo Chicago (17ª ed.)Não informado. Government and Opposition. London: London School of Economics and Political Science, 1965.
Citação MLA (8ª ed.)Não informado. Government and Opposition. London School of Economics and Political Science, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.