Congressional Research and Training Service. (1991). The Philippine legislature. The Service.
Lua i Stíl Chicago (17ú heag.)Congressional Research and Training Service. The Philippine Legislature. [Quezon City]: The Service, 1991.
Lua MLA (9ú heag.)Congressional Research and Training Service. The Philippine Legislature. The Service, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.