Sibayan, B. P. (1997). Literacy redefined. IN Educators speak [column]. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Sibayan, Bonifacio P. "Literacy Redefined. IN Educators Speak [column]." Manila Bulletin 1997.
Lua MLA (9ú heag.)Sibayan, Bonifacio P. "Literacy Redefined. IN Educators Speak [column]." Manila Bulletin, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.