Worthington, D. (2003). Dictionary of environmental health: Sustainable development, Recombinant. Spon Press.
Lua i Stíl Chicago (17ú heag.)Worthington, David. Dictionary of Environmental Health: Sustainable Development, Recombinant. London: Spon Press, 2003.
Lua MLA (8ú heag.)Worthington, David. Dictionary of Environmental Health: Sustainable Development, Recombinant. Spon Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.