Παραπομπή APA

(1987). Frederick Engels: His life and work : documents and photographs ; [translated by Vic Schneierson]. Moscow: Progress Publishers.

Παραπομπή Chicago Style

Frederick Engels: His Life and Work : Documents and Photographs ; [translated By Vic Schneierson]. Moscow: Progress Publishers, 1987.

Παραπομπή MLA

Frederick Engels: His Life and Work : Documents and Photographs ; [translated By Vic Schneierson]. Moscow: Progress Publishers, 1987.

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