APA aipamena

Antonio, T. (1997). Duty-free shops illegal? Manila Bulletin.

Chicago Style aipamena

Antonio, Tony. "Duty-free Shops Illegal?" Manila Bulletin 1997.

MLA aipamena

Antonio, Tony. "Duty-free Shops Illegal?" Manila Bulletin, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.