Sibayan, B. P. (1997). Literacy redefined. IN Educators speak [column]. Manila Bulletin.
Chicago-referens (17:e uppl.)Sibayan, Bonifacio P. "Literacy Redefined. IN Educators Speak [column]." Manila Bulletin 1997.
MLA-referens (9:e uppl.)Sibayan, Bonifacio P. "Literacy Redefined. IN Educators Speak [column]." Manila Bulletin, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.