Philippines. Office of the Governor. (1970). Annual report: Kalinga-Apayao province.
Lua i Stíl Chicago (17ú heag.)Philippines. Office of the Governor. Annual Report: Kalinga-Apayao Province. 1970.
Lua MLA (9ú heag.)Philippines. Office of the Governor. Annual Report: Kalinga-Apayao Province. 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.