Abadilla, E. V. PLDT upgrading all old copper phone wires to fiber. IN Business News. Manila Bulletin.
Chicago Style (17th ed.) CitationAbadilla, Emmie V. "PLDT Upgrading All Old Copper Phone Wires to Fiber. IN Business News." Manila Bulletin .
MLA (9th ed.) CitationAbadilla, Emmie V. "PLDT Upgrading All Old Copper Phone Wires to Fiber. IN Business News." Manila Bulletin, .
Warning: These citations may not always be 100% accurate.