Cita APA (7a ed.)

Walker, G. A. (2010). Common statistical methods for clinical research with SAS examples (3rd ed.). SAS Institute.

Cita Chicago Style (17a ed.)

Walker, Glenn A. Common Statistical Methods for Clinical Research with SAS Examples. 3rd ed. Cary, N.C.: SAS Institute, 2010.

Cita MLA (8a ed.)

Walker, Glenn A. Common Statistical Methods for Clinical Research with SAS Examples. 3rd ed. SAS Institute, 2010.