APA aipamena

Ocampo, A. R. (1999). Angano petroglyphs. IN Looking back [column]. Philippine Daily Inquirer.

Chicago Style aipamena

Ocampo, Ambeth R. "Angano Petroglyphs. IN Looking Back [column]." Philippine Daily Inquirer 1999.

MLA aipamena

Ocampo, Ambeth R. "Angano Petroglyphs. IN Looking Back [column]." Philippine Daily Inquirer, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.