Gaya APA

Milora, S, L., Tester, J, W. (1976). Geothermal energy as a source of electric power. (1976). : Cambridge : The MIT Press,.

Gaya MLA

Milora, Stanley, L.., Tester, Jefferson, W.. "Geothermal energy as a source of electric power.". 1976 : Cambridge : The MIT Press,, 1976. Text.