Purcell, E. A. (1973). The crisis of democratic theory: Scientific naturalism & the problem of value. University Press of Kentucky.
Chicagoスタイル(17版)引用形式Purcell, Edward A. The Crisis of Democratic Theory: Scientific Naturalism & the Problem of Value. [Lexington]: University Press of Kentucky, 1973.
MLA(9版)引用形式Purcell, Edward A. The Crisis of Democratic Theory: Scientific Naturalism & the Problem of Value. University Press of Kentucky, 1973.
警告: この引用は必ずしも正確ではありません.