(1996). Global Monitoring Of Terrestrial Ecosystems. Ernst & Shon.
Lua i Stíl Chicago (17ú heag.)Global Monitoring Of Terrestrial Ecosystems. Ernst & Shon, 1996.
Lua MLA (8ú heag.)Global Monitoring Of Terrestrial Ecosystems. Ernst & Shon, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.