Franco, P. (1999). Hegel's philosophy of freedom. Yale University Press.
芝加哥风格引文Franco, Paul. Hegel's Philosophy of Freedom. New Haven ; London: Yale University Press, 1999.
MLA引文Franco, Paul. Hegel's Philosophy of Freedom. Yale University Press, 1999.
警告：这些引文格式不一定是100％准确.