(1997). PNB at 81: Renewed strength, renewed commitment. Manila Bulletin.
Dyfyniad Arddull Chicago"PNB at 81: Renewed Strength, Renewed Commitment." Manila Bulletin 1997.
Dyfyniad MLA"PNB at 81: Renewed Strength, Renewed Commitment." Manila Bulletin, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.