Philippines National Library & Bibliography Division. Guide to the 1971 constitutional convention papers. TNL.
Lua i Stíl Chicago (17ú heag.)Philippines National Library agus Bibliography Division. Guide to the 1971 Constitutional Convention Papers. Manila: TNL.
Lua MLA (9ú heag.)Philippines National Library agus Bibliography Division. Guide to the 1971 Constitutional Convention Papers. TNL.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.