Geopolitics, History, and International Relations. Addleton Academic Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGeopolitics, History, and International Relations. Addleton Academic Publishers.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGeopolitics, History, and International Relations. Addleton Academic Publishers.
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