Zafra, N. (1977). Jose Rizal: Historical studies. s.n.] University of the Philippines Press).
芝加哥风格引文Zafra, Nicolas. Jose Rizal: Historical Studies. [S.l., (Quezon City: s.n.] University of the Philippines Press), 1977.
MLA引文Zafra, Nicolas. Jose Rizal: Historical Studies. s.n.] University of the Philippines Press), 1977.
警告：这些引文格式不一定是100％准确.