Berger, J. J. (1997). Charging ahead: The business of renewable energy and what it means for America. New York: Henry Holt and Company.
Παραπομπή Chicago StyleBerger, John J. Charging Ahead: The Business of Renewable Energy and What It Means for America. New York: Henry Holt and Company, 1997.
Παραπομπή MLABerger, John J. Charging Ahead: The Business of Renewable Energy and What It Means for America. New York: Henry Holt and Company, 1997.
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