Lagon, H. (2001). Legarda seeks amendments to teacher's magna carta. Manila Times.
Chicago Style aipamenaLagon, Herman. "Legarda Seeks Amendments to Teacher's Magna Carta." Manila Times 2001.
MLA aipamenaLagon, Herman. "Legarda Seeks Amendments to Teacher's Magna Carta." Manila Times, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.