Zimbardo Philip. (2009). Lucifer Effect: How good people turn evil. Rider ebury , Random House.
Lua i Stíl Chicago (17ú heag.)Zimbardo Philip. Lucifer Effect: How Good People Turn Evil. UK: Rider ebury , Random House, 2009.
Lua MLA (9ú heag.)Zimbardo Philip. Lucifer Effect: How Good People Turn Evil. Rider ebury , Random House, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.