Michels, R. (2001). Political parties: A sociological study of the oligarchical tendencies of modern democracy. Batoche.
芝加哥风格引文Michels, Robert. Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy. Kitchener, Ont.: Batoche, 2001.
MLA引文Michels, Robert. Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy. Batoche, 2001.
警告：这些引文格式不一定是100％准确.