APA aipamena

Soriano, L. C. (1998). Angono petroglyphs: A ruined cultural legacy. Manila Bulletin.

Chicago Style aipamena

Soriano, Lucino Cali. "Angono Petroglyphs: A Ruined Cultural Legacy." Manila Bulletin 1998.

MLA aipamena

Soriano, Lucino Cali. "Angono Petroglyphs: A Ruined Cultural Legacy." Manila Bulletin, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.