Krasna , B. (2006). Thinking Ethics. Profile Books.
Lua i Stíl Chicago (17ú heag.)Krasna , Beth. Thinking Ethics. Great Britain: Profile Books, 2006.
Lua MLA (9ú heag.)Krasna , Beth. Thinking Ethics. Profile Books, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.