(2003). Philippine fact book. Foreign Service Institute.
Lua i Stíl Chicago (17ú heag.)Philippine Fact Book. Pasay City: Foreign Service Institute, 2003.
Lua MLA (9ú heag.)Philippine Fact Book. Foreign Service Institute, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.