Hackett, S. C. (2011). Environmental and natural resources economics: Theory, policy and the sustainable society (4th ed.). M.E. Sharpe.
Lua i Stíl Chicago (17ú heag.)Hackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy and the Sustainable Society. 4th ed. Armonk, New York: M.E. Sharpe, 2011.
Lua MLA (9ú heag.)Hackett, Steven C. Environmental and Natural Resources Economics: Theory, Policy and the Sustainable Society. 4th ed. M.E. Sharpe, 2011.
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