Ceballos, P. (1973). Pedring and his times. Philippine Studies.
Chicagoスタイル(17版)引用形式Ceballos, Patricio. "Pedring and His Times." Philippine Studies 1973.
MLA(9版)引用形式Ceballos, Patricio. "Pedring and His Times." Philippine Studies, 1973.
警告: この引用は必ずしも正確ではありません.