Marx, K. (1975). Karl Marx Frederick Engels: Collected works. Progress.
Chicagoスタイル(17版)引用形式Marx, Karl. Karl Marx Frederick Engels: Collected Works. Moscow: Progress, 1975.
MLA(9版)引用形式Marx, Karl. Karl Marx Frederick Engels: Collected Works. Progress, 1975.
警告: この引用は必ずしも正確ではありません.