Engels, F. (1954). Dialectics of nature. Foreign Languages Pub. House,.
Chicagoスタイル(17版)引用形式Engels, Friedrich. Dialectics of Nature. Moscow: Foreign Languages Pub. House,, 1954.
MLA(8版)引用形式Engels, Friedrich. Dialectics of Nature. Foreign Languages Pub. House,, 1954.
警告: この引用は必ずしも正確ではありません.