Lua APA (7ú heag.)

Isaac, N. B. (1999). Environment management. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Isaac, Norman B. "Environment Management." Manila Bulletin 1999.

Lua MLA (9ú heag.)

Isaac, Norman B. "Environment Management." Manila Bulletin, 1999.

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