Velasco, M. M. Ayala, San Miguel advancing negotiations on Kauswagan plant sale. IN Business News. Manila Bulletin.
Chicago Style (17. basım) AtıfVelasco, Myrna M. "Ayala, San Miguel Advancing Negotiations on Kauswagan Plant Sale. IN Business News." Manila Bulletin .
MLA (9th ed.) AtıfVelasco, Myrna M. "Ayala, San Miguel Advancing Negotiations on Kauswagan Plant Sale. IN Business News." Manila Bulletin, .
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