Benton-Short, L., & Short, J. R. (1999). Environmental discourse and practice. Blackwell.
Lua i Stíl Chicago (17ú heag.)Benton-Short, Lisa, agus John R. Short. Environmental Discourse and Practice. Oxford ; Malden, Mass.: Blackwell, 1999.
Lua MLA (9ú heag.)Benton-Short, Lisa, agus John R. Short. Environmental Discourse and Practice. Blackwell, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.