Russell, B. (1964). The conquest of happiness (4th.). Unwin books.
Lua i Stíl Chicago (17ú heag.)Russell, Bertrand. The Conquest of Happiness. 4th. London: Unwin books, 1964.
Lua MLA (9ú heag.)Russell, Bertrand. The Conquest of Happiness. 4th. Unwin books, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.