Asplund, R., W.(2008).Profiting clean energy: a complete guide to trading green in solar, wind, ethanol, fuel cell, carbon credit industries, and more (-).Kebumen:Pt Gramedia Pustaka Utama.
Estilo MLA
Asplund, R., W..Profiting clean energy: a complete guide to trading green in solar, wind, ethanol, fuel cell, carbon credit industries, and more.-Kebumen:Pt Gramedia Pustaka Utama,2008.Text.