Edberg, R. (1966). On the shred of the cloud: Reflections on man and his enviroment. Harper & Row.
Lua i Stíl Chicago (17ú heag.)Edberg, Rolf. On the Shred of the Cloud: Reflections on Man and His Enviroment. London: Harper & Row, 1966.
Lua MLA (9ú heag.)Edberg, Rolf. On the Shred of the Cloud: Reflections on Man and His Enviroment. Harper & Row, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.