Não informado. (2001). Issues in Environmental Science and Technology. Royal Society of Chemistry.
Lua i Stíl Chicago (17ú heag.)Não informado. Issues in Environmental Science and Technology. Cambridge, Inglaterra: Royal Society of Chemistry, 2001.
Lua MLA (8ú heag.)Não informado. Issues in Environmental Science and Technology. Royal Society of Chemistry, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.