Layard, R. (1981). Unemployment in Britain: Causes and cures. Centre for Labour Economics, London School of Economics.
Lua i Stíl Chicago (17ú heag.)Layard, Richard. Unemployment in Britain: Causes and Cures. London: Centre for Labour Economics, London School of Economics, 1981.
Lua MLA (9ú heag.)Layard, Richard. Unemployment in Britain: Causes and Cures. Centre for Labour Economics, London School of Economics, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.