Cabrillos, J. M. (1997). New forms, old taxes. Manila Times.
Chicago Style aipamenaCabrillos, Jay M. "New Forms, Old Taxes." Manila Times 1997.
MLA aipamenaCabrillos, Jay M. "New Forms, Old Taxes." Manila Times, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.