Gaya APA

Earth the sequel : the race to reinvent energy and stop global warming / Fred Krupp, Miriam Horn. (2009). : New York : W.W Norton & Company, Inc.

Gaya MLA

Earth the sequel : the race to reinvent energy and stop global warming / Fred Krupp, Miriam Horn. Ed. Ke- 1. : New York : W.W Norton & Company, Inc, 2009. Text.