Elevazo, A. O. (1967). Educational research in the Philippines. [s.n.].
芝加哥风格引文Elevazo, Aurelio O. Educational Research in the Philippines. Manila: [s.n.], 1967.
MLA引文Elevazo, Aurelio O. Educational Research in the Philippines. [s.n.], 1967.
警告：这些引文格式不一定是100％准确.