Grafilo, J. (2001). Manila garbage woes ease as Filipino learn to recycle. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Grafilo, John. "Manila Garbage Woes Ease as Filipino Learn to Recycle." Manila Bulletin 2001.
Lua MLA (9ú heag.)Grafilo, John. "Manila Garbage Woes Ease as Filipino Learn to Recycle." Manila Bulletin, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.