Portner, L. G. (2020). Foundations of clinical research: Applications to practic (4th.). F.A.Davis.
芝加哥风格引文Portner, Leslie Gross. Foundations of Clinical Research: Applications to Practic. 4th. Philadelphia: F.A.Davis, 2020.
MLA引文Portner, Leslie Gross. Foundations of Clinical Research: Applications to Practic. 4th. F.A.Davis, 2020.
警告：这些引文格式不一定是100％准确.