APA引文

Angeles, C. Z. (1967). A Technique of teaching vectors. s.n.].

芝加哥风格引文

Angeles, Celia Z. A Technique of Teaching Vectors. [Quezon City: s.n.], 1967.

MLA引文

Angeles, Celia Z. A Technique of Teaching Vectors. s.n.], 1967.

警告：这些引文格式不一定是100％准确.