(2000). DENR basks bill on non-hazardous detergents. Manila Bulletin.
Cita Chicago (17th ed.)"DENR Basks Bill on Non-hazardous Detergents." Manila Bulletin 2000.
Cita MLA (9th ed.)"DENR Basks Bill on Non-hazardous Detergents." Manila Bulletin, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.