Rothenberg, D., & Næss, A. (1993). Is it painful to think?: Conversations with Arne Næss. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Rothenberg, David, agus Arne Næss. Is It Painful to Think?: Conversations with Arne Næss. Minneapolis: University of Minnesota Press, 1993.
Lua MLA (9ú heag.)Rothenberg, David, agus Arne Næss. Is It Painful to Think?: Conversations with Arne Næss. University of Minnesota Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.