Gaya APA

D.Metz, W., L.Hammond, A. (1978). Solar Energy In America (Ed. 1). America: American Assosition For The Advancement Of Sciensi.

Gaya MLA

D.Metz, William., L.Hammond, Allen. "Solar Energy In America". Ed. 1 America: American Assosition For The Advancement Of Sciensi, 1978. Text.