Gore, A. (2013). The future: Six drivers of global change. Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGore, Al. The Future: Six Drivers of Global Change. [S.l.]: Random House Audio, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGore, Al. The Future: Six Drivers of Global Change. Random House Audio, 2013.
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