Abadilla, E. V. (1999). PLDT - Smart merger still has a long way to go. Manila Bulletin.
Chicago-čujuhus (17. p.)Abadilla, Emmie V. "PLDT - Smart Merger Still Has a Long Way to Go." Manila Bulletin 1999.
MLA-čujuhus (9. p.)Abadilla, Emmie V. "PLDT - Smart Merger Still Has a Long Way to Go." Manila Bulletin, 1999.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.