ISBN 0-8248-1678-1* Yona Guam at Guam Portal* Map of Yona from PDN* Guampedia, Guam's Online Encyclopedia Yona Village* War in the Pacific NHP: Journey to Manengon
ISBN 0-8248-1678-1* Yona Guam at Guam Portal* Map of Yona from PDN* War in the Pacific NHP: Journey to Manengon