(1997). PNB at 81: Renewed strength, renewed commitment. Manila Bulletin.
Chicago Style (17th ed.) Citation"PNB at 81: Renewed Strength, Renewed Commitment." Manila Bulletin 1997.
MLA引文"PNB at 81: Renewed Strength, Renewed Commitment." Manila Bulletin, 1997.
警告：這些引文格式不一定是100％准確.