Zafra, N. 1. (1967). Philippine history through selected sources. Alemar-Phoenix Pub. House.
Chicagoスタイル(17版)引用形式Zafra, Nicolas 1892. Philippine History Through Selected Sources. Quezon City: Alemar-Phoenix Pub. House, 1967.
MLA(9版)引用形式Zafra, Nicolas 1892. Philippine History Through Selected Sources. Alemar-Phoenix Pub. House, 1967.
警告: この引用は必ずしも正確ではありません.