Selsam, H. (1939). What is philosophy?: A Marxist introduction. International publishers.
Chicagoスタイル(17版)引用形式Selsam, Howard. What Is Philosophy?: A Marxist Introduction. New York: International publishers, 1939.
MLA(8版)引用形式Selsam, Howard. What Is Philosophy?: A Marxist Introduction. International publishers, 1939.
警告: この引用は必ずしも正確ではありません.