APA aipamena

Hidalgo, A. (1993). Sustaining life. Philippine Collegian.

Chicago Style aipamena

Hidalgo, Anna. "Sustaining Life." Philippine Collegian 1993.

MLA aipamena

Hidalgo, Anna. "Sustaining Life." Philippine Collegian, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.