Jaffa, H. V. (1975). The conditions of freedom: Essays in political philosophy. Johns Hopkins University Press.
芝加哥风格引文Jaffa, Harry V. The Conditions of Freedom: Essays in Political Philosophy. Baltimore: Johns Hopkins University Press, 1975.
MLA引文Jaffa, Harry V. The Conditions of Freedom: Essays in Political Philosophy. Johns Hopkins University Press, 1975.
警告：这些引文格式不一定是100％准确.