Gaya APA

Walsh, G. (2003). Biopharmaceuticals 2nd Ed.: Biochemistry and Biotechnology (2nd Ed.). Chichester: John Wiley & Sons.

Gaya MLA

Walsh, Gary. "Biopharmaceuticals 2nd Ed.: Biochemistry and Biotechnology". 2nd Ed. Chichester: John Wiley & Sons, 2003. Text.