Gallman, P. G. (2011). Green Alternatives and National Energy Strategy: The Facts behind the Headlines. Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGallman, Philip G. Green Alternatives and National Energy Strategy: The Facts Behind the Headlines. Johns Hopkins University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGallman, Philip G. Green Alternatives and National Energy Strategy: The Facts Behind the Headlines. Johns Hopkins University Press, 2011.
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