Sison, L. D. (1967). Causes of worries of selected student teachers of the University of the Philippines: Their identification and relation to certain variables. s.n.].
芝加哥风格引文Sison, Lourdes D. Causes of Worries of Selected Student Teachers of the University of the Philippines: Their Identification and Relation to Certain Variables. [Quezon City: s.n.], 1967.
MLA引文Sison, Lourdes D. Causes of Worries of Selected Student Teachers of the University of the Philippines: Their Identification and Relation to Certain Variables. s.n.], 1967.
警告：这些引文格式不一定是100％准确.