Yap, E. P. (1960). The religious elements in the Philippine plays written in English.
芝加哥风格引文Yap, Elsa Paula. The Religious Elements in the Philippine Plays Written in English. 1960.
MLA引文Yap, Elsa Paula. The Religious Elements in the Philippine Plays Written in English. 1960.
警告：这些引文格式不一定是100％准确.