Policarpio, A. P. (1986). Ninoy the willing martyr. Isaiah Books.
芝加哥风格引文Policarpio, Alfonso P. Ninoy the Willing Martyr. [Metro Manila]: Isaiah Books, 1986.
MLA引文Policarpio, Alfonso P. Ninoy the Willing Martyr. Isaiah Books, 1986.
警告：这些引文格式不一定是100％准确.