APA aipamena

Catipon, E. (1999). Oh Christmas trees, oh Christmas trees! Philippine Star.

Chicago Style aipamena

Catipon, Eric. "Oh Christmas Trees, Oh Christmas Trees!" Philippine Star 1999.

MLA aipamena

Catipon, Eric. "Oh Christmas Trees, Oh Christmas Trees!" Philippine Star, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.