Abbugao, M. (1998). 31st ASEAN Ministerial conference opens today. Manila Bulletin.
Cita Chicago (17th ed.)Abbugao, Martin. "31st ASEAN Ministerial Conference Opens Today." Manila Bulletin 1998.
Cita MLA (9th ed.)Abbugao, Martin. "31st ASEAN Ministerial Conference Opens Today." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.