Cita APA (7th ed.)

Portner, L. G. (2020). Foundations of clinical research: Applications to practic (4th.). F.A.Davis.

Cita Chicago (17th ed.)

Portner, Leslie Gross. Foundations of Clinical Research: Applications to Practic. 4th. Philadelphia: F.A.Davis, 2020.

Cita MLA (9th ed.)

Portner, Leslie Gross. Foundations of Clinical Research: Applications to Practic. 4th. F.A.Davis, 2020.