Geothermal Resources Council. Meeting. (1983). Geothermal resources: Energy on tap! The Council.
Chicago-referens (17:e uppl.)Geothermal Resources Council. Meeting. Geothermal Resources: Energy on Tap! Davis, CA, U.S.A: The Council, 1983.
MLA-referens (9:e uppl.)Geothermal Resources Council. Meeting. Geothermal Resources: Energy on Tap! The Council, 1983.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.