(1998). Buhay awards for greenhouse gases abatement. Manila Bulletin.
Cita Chicago (17th ed.)"Buhay Awards for Greenhouse Gases Abatement." Manila Bulletin 1998.
Cita MLA (9th ed.)"Buhay Awards for Greenhouse Gases Abatement." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.