(1997). Geothermal energy. IN Editorial [column]: Cost-competitive indigenous energy source. Manila Bulletin.
Chicago Style (17th ed.) Citation"Geothermal Energy. IN Editorial [column]: Cost-competitive Indigenous Energy Source." Manila Bulletin 1997.
MLA (9th ed.) Citation"Geothermal Energy. IN Editorial [column]: Cost-competitive Indigenous Energy Source." Manila Bulletin, 1997.
Warning: These citations may not always be 100% accurate.