Held, D. (1996). Models of democracy (2nd ed.). Cambridge, England: Polity Press.
Trích dẫn kiểu ChicagoHeld, David. Models of Democracy. 2nd ed. Cambridge, England: Polity Press, 1996.
MLA引文Held, David. Models of Democracy. 2nd ed. Cambridge, England: Polity Press, 1996.
警告：这些引文格式不一定是100％准确.