APA
Walker G. A., Shostak J., . (2010). Common statistical methods for clinical research with SAS examples. Cary, NC: SAS Institute Inc.
Chicago
Walker Glenn A, Shostak Jack, . 2010. Common statistical methods for clinical research with SAS examples. Cary, NC: SAS Institute Inc.
Harvard
Walker G. A., Shostak J., . (2010). Common statistical methods for clinical research with SAS examples. Cary, NC: SAS Institute Inc.
MLA
Walker Glenn A, Shostak Jack, . Common statistical methods for clinical research with SAS examples. Cary, NC: SAS Institute Inc. 2010.