Abadilla, E. V. (1999). PLDT-Smart merger still has a long way to go. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAbadilla, Emmie V. "PLDT-Smart Merger Still Has a Long Way to Go." Manila Bulletin 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAbadilla, Emmie V. "PLDT-Smart Merger Still Has a Long Way to Go." Manila Bulletin, 1999.
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