Portney, L. G. (2020). Foundations of clinical research: Applications to evidence-based practice (Fourth edition.). F.A. Davis.
Chicago-referens (17:e uppl.)Portney, Leslie Gross. Foundations of Clinical Research: Applications to Evidence-based Practice. Fourth edition. Philadelphia: F.A. Davis, 2020.
MLA-referens (8:e uppl.)Portney, Leslie Gross. Foundations of Clinical Research: Applications to Evidence-based Practice. Fourth edition. F.A. Davis, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.