APA ציטוט

Kovalson,M, & Kelle,V. (1973). Historical materialism: An outline of marxist theory of society. Progress publishers.

Chicago Edition Citation

Kovalson,M, and Kelle,V. Historical Materialism: An Outline of Marxist Theory of Society. Moscow: Progress publishers, 1973.

ציטוט MLA

Kovalson,M, and Kelle,V. Historical Materialism: An Outline of Marxist Theory of Society. Progress publishers, 1973.