Gauba, O. (2020). Western Political Thought (4th.). National Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGauba, O.P. Western Political Thought. 4th. New Delhi: National Paperbacks, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGauba, O.P. Western Political Thought. 4th. National Paperbacks, 2020.
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