Cita APA (7a ed.)

SAS Institute. (2013). Step-by-step programming with Base SAS 9.4. SAS Institute Inc..

Cita Chicago Style (17a ed.)

SAS Institute. Step-by-step Programming with Base SAS 9.4. Cary, N.C.: SAS Institute Inc., 2013.

Cita MLA (8a ed.)

SAS Institute. Step-by-step Programming with Base SAS 9.4. SAS Institute Inc., 2013.