Não informado. (1963). British Journal of Industrial Relations. London School of Economics.
Lua i Stíl Chicago (17ú heag.)Não informado. British Journal of Industrial Relations. London: London School of Economics, 1963.
Lua MLA (8ú heag.)Não informado. British Journal of Industrial Relations. London School of Economics, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.