Gauba, O. P. (2013). An Introduction to Political Theory (6th Edition.). MacMillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGauba, O P. An Introduction to Political Theory. 6th Edition. Gurgaon: MacMillan, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGauba, O P. An Introduction to Political Theory. 6th Edition. MacMillan, 2013.
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