Lua APA (7ú heag.)

Leyba, O. R. (2019). Vargas steps down as POC top honcho. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Leyba, Olmin R. "Vargas Steps Down as POC Top Honcho." Philippine Star 2019.

Lua MLA (9ú heag.)

Leyba, Olmin R. "Vargas Steps Down as POC Top Honcho." Philippine Star, 2019.

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