Thomas, D. A. (1998). Active geometry. Brooks/Cole Publishing.
芝加哥风格引文Thomas, David A. Active Geometry. Pacific Grove, CA: Brooks/Cole Publishing, 1998.
MLA引文Thomas, David A. Active Geometry. Brooks/Cole Publishing, 1998.
警告:这些引文格式不一定是100%准确.
Thomas, D. A. (1998). Active geometry. Brooks/Cole Publishing.
芝加哥风格引文Thomas, David A. Active Geometry. Pacific Grove, CA: Brooks/Cole Publishing, 1998.
MLA引文Thomas, David A. Active Geometry. Brooks/Cole Publishing, 1998.