Marx, K. (1970). Karl Marx and Frederick Engels: Collected: Works.
Chicagoスタイル(17版)引用形式Marx, Karl. Karl Marx and Frederick Engels: Collected: Works. Moscow, 1970.
MLA(9版)引用形式Marx, Karl. Karl Marx and Frederick Engels: Collected: Works. 1970.
警告: この引用は必ずしも正確ではありません.