Gombin, R. (1978). The Radical tradition: A study in modern revolutionary thought. Methuen and Co. Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGombin, Richard. The Radical Tradition: A Study in Modern Revolutionary Thought. Methuen and Co. Ltd, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGombin, Richard. The Radical Tradition: A Study in Modern Revolutionary Thought. Methuen and Co. Ltd, 1978.
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