"Knei-Paz, B. (1978). The social and political thought of Leon Trotsky. Clarendon press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Knei-Paz, Baruch". The Social and Political Thought of Leon Trotsky. Clarendon press, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Knei-Paz, Baruch". The Social and Political Thought of Leon Trotsky. Clarendon press, 1978.
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