Tongko, P. L. (1965). The government of the Republic of the Philippines (Rev. ed.). R.P. Garcia Pub. Co.
Lua i Stíl Chicago (17ú heag.)Tongko, Primo L. The Government of the Republic of the Philippines. Rev. ed. Quezon City: R.P. Garcia Pub. Co, 1965.
Lua MLA (9ú heag.)Tongko, Primo L. The Government of the Republic of the Philippines. Rev. ed. R.P. Garcia Pub. Co, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.