Vance, E. P. (1973). Modern algebra and trigonometry (3rd ed.). National Bookstore.
芝加哥风格引文Vance, Elbridge Putnam. Modern Algebra and Trigonometry. 3rd ed. Manila: National Bookstore, 1973.
MLA引文Vance, Elbridge Putnam. Modern Algebra and Trigonometry. 3rd ed. National Bookstore, 1973.
警告：这些引文格式不一定是100％准确.