Sommerville, D. M. Y. (1958). An Introduction to the geometry of N dimentions. Dover Publications.
芝加哥风格引文Sommerville, D. M. Y. An Introduction to the Geometry of N Dimentions. New York: Dover Publications, 1958.
MLA引文Sommerville, D. M. Y. An Introduction to the Geometry of N Dimentions. Dover Publications, 1958.
警告：这些引文格式不一定是100％准确.