Frederick, K. D., & Sedjo, R. A. (1991). America's renewable resources: Historical trends and current challenges. Resources for the Future.
Chicago Style aipamenaFrederick, Kenneth D., and Roger A. Sedjo. America's Renewable Resources: Historical Trends and Current Challenges. Washington, D.C: Resources for the Future, 1991.
MLA aipamenaFrederick, Kenneth D., and Roger A. Sedjo. America's Renewable Resources: Historical Trends and Current Challenges. Resources for the Future, 1991.
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