Παραπομπή σε μορφή APA (7η εκδ.)

Castillo, G. T. (2009). Growing old gracefully, not grudginly. IN Educators speak [column]. Manila Bulletin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Castillo, Gelia T. "Growing Old Gracefully, Not Grudginly. IN Educators Speak [column]." Manila Bulletin 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Castillo, Gelia T. "Growing Old Gracefully, Not Grudginly. IN Educators Speak [column]." Manila Bulletin, 2009.