Russell, B. (1960). In Praise of Idleness and Other Essays. Unwin Books.
Lua i Stíl Chicago (17ú heag.)Russell, Bertrand. In Praise of Idleness and Other Essays. London: Unwin Books, 1960.
Lua MLA (9ú heag.)Russell, Bertrand. In Praise of Idleness and Other Essays. Unwin Books, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.