Yabes, L. Y. (1959). The Filipino struggle for intellectual freedom. [s.n.].
芝加哥风格引文Yabes, Leopoldo Y. The Filipino Struggle for Intellectual Freedom. Q.C: [s.n.], 1959.
MLA引文Yabes, Leopoldo Y. The Filipino Struggle for Intellectual Freedom. [s.n.], 1959.
警告：这些引文格式不一定是100％准确.