Friedrichs, J. (2013). The future is not what it used to be: Climate change and energy scarcity. MIT Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriedrichs, Jörg. The Future Is Not What It Used to Be: Climate Change and Energy Scarcity. Cambridge, Mass.: MIT Press, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFriedrichs, Jörg. The Future Is Not What It Used to Be: Climate Change and Energy Scarcity. MIT Press, 2013.
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