ハガニア
Rogers, Robert F (1995). Destiny's Landfall: A History of Guam: University of Hawai'i Press. ISBN 0-8248-1678-1
Carter, Lee D; Carter, Rosa Roberto; Wuerch, William L (1997). Guam History: Perspectives Volume One: MARC. ISBN 1-878453-28-9
Sanchez, Pedro C. Guahan, Guam: The History of our Island: Sanchez Publishing House.
(1996) Kinalamten Pulitikat: Sinenten I Chamorro: Issues in Guam's Political Development: The Chamorro Perspective: The Political Status Education Coordinating Commission. ISBN 1-883488-03-6