Lua APA (7ú heag.)

Matias, B. M. (1998). Opening portals of progress. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Matias, Ben-Oliver M. "Opening Portals of Progress." Manila Bulletin 1998.

Lua MLA (9ú heag.)

Matias, Ben-Oliver M. "Opening Portals of Progress." Manila Bulletin, 1998.

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