Dahl, R. A. (1966). Political oppositions in western democracies. Yale University Press.
Citazione stile Chigago Style (17a edizione)Dahl, Robert Alan. Political Oppositions in Western Democracies. Londres: Yale University Press, 1966.
Citatione MLA (9a ed.)Dahl, Robert Alan. Political Oppositions in Western Democracies. Yale University Press, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.