Calica, M. A. L. (2003). Experts split on impeachment. Philippine Star.
Chicago Style aipamenaCalica, Ma. Aurea L. "Experts Split on Impeachment." Philippine Star 2003.
MLA aipamenaCalica, Ma. Aurea L. "Experts Split on Impeachment." Philippine Star, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.