APA aipamena

Catapat, W. L. (2010). Echiverri orders internet shops to ban students. Manila Bulletin.

Chicago Style aipamena

Catapat, Willie L. "Echiverri Orders Internet Shops to Ban Students." Manila Bulletin 2010.

MLA aipamena

Catapat, Willie L. "Echiverri Orders Internet Shops to Ban Students." Manila Bulletin, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.