Harvey, R. (2010). Witnessness: Beckett, Dante, Levi and the foundations of responsibility. Continuum.
Lua i Stíl Chicago (17ú heag.)Harvey, Robert. Witnessness: Beckett, Dante, Levi and the Foundations of Responsibility. New York [u.a.]: Continuum, 2010.
Lua MLA (8ú heag.)Harvey, Robert. Witnessness: Beckett, Dante, Levi and the Foundations of Responsibility. Continuum, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.