Lua APA (7ú heag.)

Perpeña, E. (2001). Pension funds political risks. Manila Times.

Lua i Stíl Chicago (17ú heag.)

Perpeña, Ed. "Pension Funds Political Risks." Manila Times 2001.

Lua MLA (9ú heag.)

Perpeña, Ed. "Pension Funds Political Risks." Manila Times, 2001.

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