Gopez, J. D. (2000). Butuan City: Site of 1st PTA music festival in Mindanao. Manila Bulletin.
Chicago-referens (17:e uppl.)Gopez, Jhi-jhi Diola. "Butuan City: Site of 1st PTA Music Festival in Mindanao." Manila Bulletin 2000.
MLA-referens (9:e uppl.)Gopez, Jhi-jhi Diola. "Butuan City: Site of 1st PTA Music Festival in Mindanao." Manila Bulletin, 2000.
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