MathSoft. (1999). S-plus 2000: Guide to statistics. Data Analysis Products Division.
芝加哥风格引文MathSoft. S-plus 2000: Guide to Statistics. Seattle: Data Analysis Products Division, 1999.
MLA引文MathSoft. S-plus 2000: Guide to Statistics. Data Analysis Products Division, 1999.
警告:这些引文格式不一定是100%准确.