Stern, N. H. (2015). Why are we waiting?: The logic, urgency, and promise of tackling climate change. MIT Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStern, N. H. Why Are We Waiting?: The Logic, Urgency, and Promise of Tackling Climate Change. Cambridge, Massachusetts: MIT Press, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStern, N. H. Why Are We Waiting?: The Logic, Urgency, and Promise of Tackling Climate Change. MIT Press, 2015.
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