EARLE, J. H. (1978). Descriptive geometry.-- Ed.2. Addison-Wesley Pub. Co.
芝加哥风格引文EARLE, James H. Descriptive Geometry.-- Ed.2. Massachusetts: Addison-Wesley Pub. Co, 1978.
MLA引文EARLE, James H. Descriptive Geometry.-- Ed.2. Addison-Wesley Pub. Co, 1978.
警告：这些引文格式不一定是100％准确.