Gupta, S., & Edmonds,Curt. (2005). Sharpening your SAS skills. Chapman & Hall.
Chicago Edition CitationGupta, Sunil, i Edmonds,Curt. Sharpening Your SAS Skills. Boca Raton: Chapman & Hall, 2005.
Cita MLAGupta, Sunil, i Edmonds,Curt. Sharpening Your SAS Skills. Chapman & Hall, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.