Tibajia, C. (2005). How are our students doing?: Center for Educational Measurement investigates. Philippine Star.
Chicago-referens (17:e uppl.)Tibajia, Chonx. "How Are Our Students Doing?: Center for Educational Measurement Investigates." Philippine Star 2005.
MLA-referens (9:e uppl.)Tibajia, Chonx. "How Are Our Students Doing?: Center for Educational Measurement Investigates." Philippine Star, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.