Nebres, B. F. (1999). Invisible problems in education. IN Commentary [column]. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Nebres, Bienvenido F. "Invisible Problems in Education. IN Commentary [column]." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Nebres, Bienvenido F. "Invisible Problems in Education. IN Commentary [column]." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.