Orig, T. S. (2001). Wind-electric water pumping is good for Visayas, says firm. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Orig, Thor S. "Wind-electric Water Pumping Is Good for Visayas, Says Firm." Manila Bulletin 2001.
Citatione MLA (9a ed.)Orig, Thor S. "Wind-electric Water Pumping Is Good for Visayas, Says Firm." Manila Bulletin, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.