"Louisa, S. (1977). From class society to communism: An introduction to marxism. Ink links publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Louisa, Sadler.tr.;Mandel. From Class Society to Communism: An Introduction to Marxism. Ink links publishers, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Louisa, Sadler.tr.;Mandel. From Class Society to Communism: An Introduction to Marxism. Ink links publishers, 1977.
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