MathSoft. (1999). Getting started with S-plus 2000. Data Analysis Products Division.
Cita Chicago (17th ed.)MathSoft. Getting Started with S-plus 2000. Seattle: Data Analysis Products Division, 1999.
Cita MLA (9th ed.)MathSoft. Getting Started with S-plus 2000. Data Analysis Products Division, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.