Dovring, F. (1998). Knowledge and ignorance: Essays on lights and shadows. Praeger.
Lua i Stíl Chicago (17ú heag.)Dovring, Folke. Knowledge and Ignorance: Essays on Lights and Shadows. Westport, Conn.: Praeger, 1998.
Lua MLA (9ú heag.)Dovring, Folke. Knowledge and Ignorance: Essays on Lights and Shadows. Praeger, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.