Resources for the Future, Krutilla, J. V., & Smith, V. K. (1982). Explorations in natural resource economics. Published for Resources for the Future by the Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रResources for the Future, John V. Krutilla, और V. Kerry Smith. Explorations in Natural Resource Economics. Baltimore: Published for Resources for the Future by the Johns Hopkins University Press, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रResources for the Future, et al. Explorations in Natural Resource Economics. Published for Resources for the Future by the Johns Hopkins University Press, 1982.
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