APA (7 वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, & Siegel, E. B. (2008). Development and approval of combination products: A regulatory perspective. Wiley.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Evan B. Siegel. Development and Approval of Combination Products: A Regulatory Perspective. Hoboken, N.J.: Wiley, 2008.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

ebrary, Inc, और Evan B. Siegel. Development and Approval of Combination Products: A Regulatory Perspective. Wiley, 2008.