Hackett, S. C. (2001). Environmental and natural resources economics: Theory, policy, and the sustainable society (2nd ed.). M.E. Sharpe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy, and the Sustainable Society. 2nd ed. Armonk, N.Y.: M.E. Sharpe, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy, and the Sustainable Society. 2nd ed. M.E. Sharpe, 2001.
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