Bono, E. D. (2009). Think! Before its too late. Vermilion.
Lua i Stíl Chicago (17ú heag.)Bono, Edward De. Think! Before Its Too Late. London: Vermilion, 2009.
Lua MLA (9ú heag.)Bono, Edward De. Think! Before Its Too Late. Vermilion, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.