(1997). Linkage methods for environment and health analysis. UNEP.
Lua i Stíl Chicago (17ú heag.)Linkage Methods for Environment and Health Analysis. Ginebra: UNEP, 1997.
Lua MLA (9ú heag.)Linkage Methods for Environment and Health Analysis. UNEP, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.