Javellana, J. L. (1999). Nat'l Heroes Day marked without Erap at Libingan. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Javellana, Juliet Labog. "Nat'l Heroes Day Marked Without Erap at Libingan." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Javellana, Juliet Labog. "Nat'l Heroes Day Marked Without Erap at Libingan." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.