(1993). Entering the watershed: A new approach to save America's river ecosystems. Washingyon, D.C: Island.
Citación estilo ChicagoEntering the Watershed: A New Approach to Save America's River Ecosystems. Washingyon, D.C: Island, 1993.
Cita MLAEntering the Watershed: A New Approach to Save America's River Ecosystems. Washingyon, D.C: Island, 1993.
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