Abbey, E. The serpents of paradise: Edward Abbey. The West.(1979).
Lua i Stíl Chicago (17ú heag.)Abbey, Edward. "The Serpents of Paradise: Edward Abbey." The West.(1979) .
Lua MLA (8ú heag.)Abbey, Edward. "The Serpents of Paradise: Edward Abbey." The West.(1979), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.