Orig, T. S. (2001). Wind-electric water pumping is good for Visayas, says firm. Manila Bulletin.
Chicago Style (17. basım) AtıfOrig, Thor S. "Wind-electric Water Pumping Is Good for Visayas, Says Firm." Manila Bulletin 2001.
MLA (9th ed.) AtıfOrig, Thor S. "Wind-electric Water Pumping Is Good for Visayas, Says Firm." Manila Bulletin, 2001.
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