Goodstein, E. S. (1999). Economics and the environment (2nd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Goodstein, Eban S. Economics and the Environment. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1999.
Lua MLA (9ú heag.)Goodstein, Eban S. Economics and the Environment. 2nd ed. Prentice Hall, 1999.
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