Velasco, M. M. Low carbon to hit 66% of PH energy sources. IN Business. Manila Bulletin.
Chicago Style (17. basım) AtıfVelasco, Myrna M. "Low Carbon to Hit 66% of PH Energy Sources. IN Business." Manila Bulletin .
MLA (9th ed.) AtıfVelasco, Myrna M. "Low Carbon to Hit 66% of PH Energy Sources. IN Business." Manila Bulletin, .
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..