APA引文

University of the Philippines (Diliman). Science Education Center. (1971). Practical chemistry for secondary schools. s.n.

芝加哥风格引文

University of the Philippines (Diliman). Science Education Center. Practical Chemistry for Secondary Schools. [Quezon City: s.n, 1971.

MLA引文

University of the Philippines (Diliman). Science Education Center. Practical Chemistry for Secondary Schools. s.n, 1971.

警告：这些引文格式不一定是100％准确.