MathSoft. (1999). S-plus 2000: Programmer's guide. Data Analysis Products Division.
Chicago Style (17th ed.) CitationMathSoft. S-plus 2000: Programmer's Guide. Seattle: Data Analysis Products Division, 1999.
MLA (9th ed.) CitationMathSoft. S-plus 2000: Programmer's Guide. Data Analysis Products Division, 1999.
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