Lua APA (7ú heag.)

Luz, G. (1998). Setting up a clean-air certificate program. Manila Times.

Lua i Stíl Chicago (17ú heag.)

Luz, Guillermo. "Setting Up a Clean-air Certificate Program." Manila Times 1998.

Lua MLA (9ú heag.)

Luz, Guillermo. "Setting Up a Clean-air Certificate Program." Manila Times, 1998.

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