APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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