Lua APA (7ú heag.)

(1997). Preserving the country's water resources. IN Editorial [column]. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

"Preserving the Country's Water Resources. IN Editorial [column]." Manila Bulletin 1997.

Lua MLA (9ú heag.)

"Preserving the Country's Water Resources. IN Editorial [column]." Manila Bulletin, 1997.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.