Abrahamson Eric & Freedman David. (2006). Perfect Mess: The Hidden Benfits of Disorder. Phoenix Peparback.
Lua i Stíl Chicago (17ú heag.)Abrahamson Eric agus Freedman David. Perfect Mess: The Hidden Benfits of Disorder. London ,UK: Phoenix Peparback, 2006.
Lua MLA (9ú heag.)Abrahamson Eric agus Freedman David. Perfect Mess: The Hidden Benfits of Disorder. Phoenix Peparback, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.