Lua APA (7ú heag.)

MathSoft. (1999). S-plus 2000: User's guide. Data Analysis Products Division.

Lua i Stíl Chicago (17ú heag.)

MathSoft. S-plus 2000: User's Guide. Seattle: Data Analysis Products Division, 1999.

Lua MLA (9ú heag.)

MathSoft. S-plus 2000: User's Guide. Data Analysis Products Division, 1999.

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