Jenista, F. L. (1987). The white apos: American governors on the Cordillera Central. New Day Pub.
Lua i Stíl Chicago (17ú heag.)Jenista, Frank L. The White Apos: American Governors on the Cordillera Central. Quezon City: New Day Pub, 1987.
Lua MLA (9ú heag.)Jenista, Frank L. The White Apos: American Governors on the Cordillera Central. New Day Pub, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.