APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.