Starke, L. (2007). State of the world 2007: Our urban future. W.W. Norton.
Lua i Stíl Chicago (17ú heag.)Starke, Linda-ed. State of the World 2007: Our Urban Future. New York: W.W. Norton, 2007.
Lua MLA (9ú heag.)Starke, Linda-ed. State of the World 2007: Our Urban Future. W.W. Norton, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.