Karl-Göran Mäler, J. R. V. (2003). Environmental Degradation and Institutional Responses. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Karl-Göran Mäler, Jeffrey R. Vincent. Environmental Degradation and Institutional Responses. ELSEVIER, 2003.
Lua MLA (8ú heag.)Karl-Göran Mäler, Jeffrey R. Vincent. Environmental Degradation and Institutional Responses. ELSEVIER, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.