Walsh, G., & Headon, D. R. (1994). Protein biotechnology. John Wiley.
Lua i Stíl Chicago (17ú heag.)Walsh, Gary, agus Denis R. Headon. Protein Biotechnology. Chichester: John Wiley, 1994.
Lua MLA (9ú heag.)Walsh, Gary, agus Denis R. Headon. Protein Biotechnology. John Wiley, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.