APA

Riffenburgh R., . (2012). Statistics in medicine. Amsterdam: Elsevier.

Chicago

Riffenburgh R.H, . 2012. Statistics in medicine. Amsterdam: Elsevier.

Harvard

Riffenburgh R., . (2012). Statistics in medicine. Amsterdam: Elsevier.

MLA

Riffenburgh R.H, . Statistics in medicine. Amsterdam: Elsevier. 2012.