Gaya APA

Edwards, , L, , M, (., Chilingar, , G, , V, , (. (1982). Handbook of geothermal energy (1982). : Houston : Gulf Publishing Co.,.

Gaya MLA

Edwards, , L, , M, (Ed)., Chilingar, , G, , V, , (cs). "Handbook of geothermal energy". 1982 : Houston : Gulf Publishing Co.,, 1982. Text.