(1997). O & M Philippines wins grand prix at London internaitonal awards. Manila Bulletin.
Cita Chicago (17th ed.)"O & M Philippines Wins Grand Prix at London Internaitonal Awards." Manila Bulletin 1997.
Cita MLA (9th ed.)"O & M Philippines Wins Grand Prix at London Internaitonal Awards." Manila Bulletin, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.