Dahl, R. A. (1966). Political oppositions in Western democracies. Yale University Press.
芝加哥风格引文Dahl, Robert A. Political Oppositions in Western Democracies. New Haven: Yale University Press, 1966.
MLA引文Dahl, Robert A. Political Oppositions in Western Democracies. Yale University Press, 1966.
警告：这些引文格式不一定是100％准确.