Sinco, V. G. (1941). Philippine political law (Rev. ed.). Community Pub.
Chicago Style aipamenaSinco, Vicente Guzman. Philippine Political Law. Rev. ed. Manila: Community Pub, 1941.
MLA aipamenaSinco, Vicente Guzman. Philippine Political Law. Rev. ed. Community Pub, 1941.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.