Lua APA (7ú heag.)

Castro, E. R. (1997). Balancing population resources and environment. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Castro, Eddee RH. "Balancing Population Resources and Environment." Manila Bulletin 1997.

Lua MLA (9ú heag.)

Castro, Eddee RH. "Balancing Population Resources and Environment." Manila Bulletin, 1997.

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