(2006). Perez, pa of ex-DOE chif dies. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)"Perez, Pa of Ex-DOE Chif Dies." Philippine Daily Inquirer 2006.
Lua MLA (9ú heag.)"Perez, Pa of Ex-DOE Chif Dies." Philippine Daily Inquirer, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.