Herren, R. V. (2005). Introduction to biotechnology: An agricultural revolution. Delmar/Thomson Learning.
Lua i Stíl Chicago (17ú heag.)Herren, Ray V. Introduction to Biotechnology: An Agricultural Revolution. Clifton Park, N.Y: Delmar/Thomson Learning, 2005.
Lua MLA (8ú heag.)Herren, Ray V. Introduction to Biotechnology: An Agricultural Revolution. Delmar/Thomson Learning, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.