Johnson, G. (2011). Elements of the utopian. Davies Group.
Lua i Stíl Chicago (17ú heag.)Johnson, Greg. Elements of the Utopian. Aurora, Colo.: Davies Group, 2011.
Lua MLA (9ú heag.)Johnson, Greg. Elements of the Utopian. Davies Group, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.