Não informado. (1993). Critical Reviews in Environmental Science and Technology. CRC Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Critical Reviews in Environmental Science and Technology. Boca Raton, Fla: CRC Press, 1993.
Lua MLA (8ú heag.)Não informado. Critical Reviews in Environmental Science and Technology. CRC Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.