SPIRKIN, A. (1971). The basic principles of dialectical and historical materialism. progress publishers.
Cita Chicago Style (17a ed.)SPIRKIN, A. The Basic Principles of Dialectical and Historical Materialism. Moscow: progress publishers, 1971.
Cita MLA (9a ed.)SPIRKIN, A. The Basic Principles of Dialectical and Historical Materialism. progress publishers, 1971.
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