Gaya APA

Energy and the environment [sumber elektronik] / Robert A. Ristinen, Jack J. Kraushaar, Jeffrey T. Brack.. (2015). : .

Gaya MLA

Energy and the environment [sumber elektronik] / Robert A. Ristinen, Jack J. Kraushaar, Jeffrey T. Brack.. Ed. Ke 3. : , 2015. Text.