Cohen, M. J. (2021). Sustainability. Polity Press.
Lua i Stíl Chicago (17ú heag.)Cohen, Maurie J. Sustainability. Cambridge, UK ; Medford: Polity Press, 2021.
Lua MLA (9ú heag.)Cohen, Maurie J. Sustainability. Polity Press, 2021.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.