Παραπομπή APA

Gupta, S., & Edmonds, C. (2005). Sharpening your SAS skills. Chapman.

Παραπομπή Chicago Style

Gupta, Sunil, και Curt Edmonds. Sharpening Your SAS Skills. Boca Raton: Chapman, 2005.

Παραπομπή MLA

Gupta, Sunil, και Curt Edmonds. Sharpening Your SAS Skills. Chapman, 2005.