Freedman, R., & Schwartz, H. (1961). Marx on Economics. Harmondsworth: Penguin Books.
Chicagoスタイル(17版)引用形式Freedman, Robert, , Harry Schwartz. Marx on Economics. Harmondsworth: Penguin Books, 1961.
MLA(8版)引用形式Freedman, Robert, , Harry Schwartz. Marx on Economics. Harmondsworth: Penguin Books, 1961.
警告: この引用は必ずしも正確ではありません.