(2001). The SSS at 44: Renewing the pledge of service. Philippine Star.
Chicago Style aipamena"The SSS at 44: Renewing the Pledge of Service." Philippine Star 2001.
MLA aipamena"The SSS at 44: Renewing the Pledge of Service." Philippine Star, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.