APA-referens (7:e uppl.)

Felipe, A. I. (2003). The duty to assess learning. IN Educators speak [column]. Manila Bulletin.

Chicago-referens (17:e uppl.)

Felipe, Abraham I. "The Duty to Assess Learning. IN Educators Speak [column]." Manila Bulletin 2003.

MLA-referens (9:e uppl.)

Felipe, Abraham I. "The Duty to Assess Learning. IN Educators Speak [column]." Manila Bulletin, 2003.