Aben, E. L. (2004). DILG, DDB report 50% cut in supply of illegal drugs. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Aben, Elena L. "DILG, DDB Report 50% Cut in Supply of Illegal Drugs." Manila Bulletin 2004.
Lua MLA (9ú heag.)Aben, Elena L. "DILG, DDB Report 50% Cut in Supply of Illegal Drugs." Manila Bulletin, 2004.
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