Portney, P. R., & Stavins, R. N. Public policies for environmental protection (Second edition.).
Cita Chicago Style (17a ed.)Portney, Paul R., y R. N. Stavins. Public Policies for Environmental Protection. Second edition.
Cita MLA (9a ed.)Portney, Paul R., y R. N. Stavins. Public Policies for Environmental Protection. Second edition.
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