Capco, B. (1997). Sol-Gen to tribunal: Allow signature drive. Philippine Star.
Chicago Style aipamenaCapco, Bobby. "Sol-Gen to Tribunal: Allow Signature Drive." Philippine Star 1997.
MLA aipamenaCapco, Bobby. "Sol-Gen to Tribunal: Allow Signature Drive." Philippine Star, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.