Perelman, M. (1987). Marx's crises theory: Scarcity, labor, and finance. Praeger.
Lua i Stíl Chicago (17ú heag.)Perelman, Michael. Marx's Crises Theory: Scarcity, Labor, and Finance. New York: Praeger, 1987.
Lua MLA (9ú heag.)Perelman, Michael. Marx's Crises Theory: Scarcity, Labor, and Finance. Praeger, 1987.
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