Gensaya, F. G. (1967). Curricular changes in social studies in the Philippines elementary school from 1900 to 1960. s.n.].
芝加哥风格引文Gensaya, Felipe Gestosani. Curricular Changes in Social Studies in the Philippines Elementary School from 1900 to 1960. [Quezon City: s.n.], 1967.
MLA引文Gensaya, Felipe Gestosani. Curricular Changes in Social Studies in the Philippines Elementary School from 1900 to 1960. s.n.], 1967.
警告：这些引文格式不一定是100％准确.