APA aipamena

Angeles, E. Y. (1999). Educational challenges we face in the 21st century. Manila Bulletin.

Chicago Style aipamena

Angeles, Emmanuel Y. "Educational Challenges We Face in the 21st Century." Manila Bulletin 1999.

MLA aipamena

Angeles, Emmanuel Y. "Educational Challenges We Face in the 21st Century." Manila Bulletin, 1999.