APA aipamena

Portney, L. G. (2020). Foundations of clinical research: Applications to evidence-based practice (Fourth edition.). F.A. Davis.

Chicago Style aipamena

Portney, Leslie Gross. Foundations of Clinical Research: Applications to Evidence-based Practice. Fourth edition. Philadelphia: F.A. Davis, 2020.

MLA aipamena

Portney, Leslie Gross. Foundations of Clinical Research: Applications to Evidence-based Practice. Fourth edition. F.A. Davis, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.