APA aipamena

Arias, P. R. (1999). Tutrtle islands as protected area proposed by DENR. Manila Bulletin.

Chicago Style aipamena

Arias, Priscilla R. "Tutrtle Islands as Protected Area Proposed by DENR." Manila Bulletin 1999.

MLA aipamena

Arias, Priscilla R. "Tutrtle Islands as Protected Area Proposed by DENR." Manila Bulletin, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.