Sheptulin, A. P. [. P. (1978). Marxist-Leninist philosophy. Progress.
Chicago-čujuhus (17. p.)Sheptulin, A. P. [Alexander Petrovich]. Marxist-Leninist Philosophy. Moscow: Progress, 1978.
MLA-čujuhus (9. p.)Sheptulin, A. P. [Alexander Petrovich]. Marxist-Leninist Philosophy. Progress, 1978.
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