Gagelonia, P. A. (1974). Philippine history. National Book Store.
Chicagoスタイル(17版)引用形式Gagelonia, Pedro A. Philippine History. Manila: National Book Store, 1974.
MLA(9版)引用形式Gagelonia, Pedro A. Philippine History. National Book Store, 1974.
警告: この引用は必ずしも正確ではありません.