(1997). PNB at 81: Renewed strength, renewed commitment. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)"PNB at 81: Renewed Strength, Renewed Commitment." Manila Bulletin 1997.
Citatione MLA (9a ed.)"PNB at 81: Renewed Strength, Renewed Commitment." Manila Bulletin, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.