Mandelbaum, M. (1987). Purpose and Necessity in Social Theory. Johns Hopkins University Press.
芝加哥风格引文Mandelbaum, Maurice. Purpose and Necessity in Social Theory. Baltimore: Johns Hopkins University Press, 1987.
MLA引文Mandelbaum, Maurice. Purpose and Necessity in Social Theory. Johns Hopkins University Press, 1987.
警告：这些引文格式不一定是100％准确.