Institute, S. (1985). SAS user's guide: Basics. Cary, N.C. : SAS Institute.
Cita Chicago (17th ed.)Institute, SAS. SAS User's Guide: Basics. Cary, N.C. : SAS Institute, 1985.
Cita MLA (9th ed.)Institute, SAS. SAS User's Guide: Basics. Cary, N.C. : SAS Institute, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.