National Institute of Science and Technology. Division of Documentation. (1974). List of references on energy (geothermal, solar, tidal, and wind). The Division.
Chicago-viite (17. p.)National Institute of Science and Technology. Division of Documentation. List of References on Energy (geothermal, Solar, Tidal, and Wind). Manila: The Division, 1974.
MLA-viite (9. p.)National Institute of Science and Technology. Division of Documentation. List of References on Energy (geothermal, Solar, Tidal, and Wind). The Division, 1974.
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