Castillo, G. T. (2009). Growing old gracefully, not grudginly. IN Educators speak [column]. Manila Bulletin.
Chicago-Zitierstil (17. Ausg.)Castillo, Gelia T. "Growing Old Gracefully, Not Grudginly. IN Educators Speak [column]." Manila Bulletin 2009.
MLA-Zitierstil (9. Ausg.)Castillo, Gelia T. "Growing Old Gracefully, Not Grudginly. IN Educators Speak [column]." Manila Bulletin, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.