Lua APA (7ú heag.)

Langit, R. B. (1997). Sulu sea victim of development. Manila Times.

Lua i Stíl Chicago (17ú heag.)

Langit, Richel B. "Sulu Sea Victim of Development." Manila Times 1997.

Lua MLA (9ú heag.)

Langit, Richel B. "Sulu Sea Victim of Development." Manila Times, 1997.

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