Zeihan, P. (2020). Disunited nations: The scramble for power in an ungoverned world (First edition.). Harper Business, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZeihan, Peter. Disunited Nations: The Scramble for Power in an Ungoverned World. First edition. New York, NY: Harper Business, an imprint of HarperCollinsPublishers, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZeihan, Peter. Disunited Nations: The Scramble for Power in an Ungoverned World. First edition. Harper Business, an imprint of HarperCollinsPublishers, 2020.
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