Porcalla, D. (2001). Ombudsman suspends 10 SSS execs for P1.2-B overprice. Philippine Star.
Chicago Style aipamenaPorcalla, Delon. "Ombudsman Suspends 10 SSS Execs for P1.2-B Overprice." Philippine Star 2001.
MLA aipamenaPorcalla, Delon. "Ombudsman Suspends 10 SSS Execs for P1.2-B Overprice." Philippine Star, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.