Romulo, B. D. (1999). The Aeta's friendship with the US. IN Editorial [column]. Manila Bulletin.
Chicago-referens (17:e uppl.)Romulo, Beth Day. "The Aeta's Friendship with the US. IN Editorial [column]." Manila Bulletin 1999.
MLA-referens (9:e uppl.)Romulo, Beth Day. "The Aeta's Friendship with the US. IN Editorial [column]." Manila Bulletin, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.