Industrial Welfare Society. (1956). Industrial welfare. Industrial Welfare Society.
Lua i Stíl Chicago (17ú heag.)Industrial Welfare Society. Industrial Welfare. London: Industrial Welfare Society, 1956.
Lua MLA (8ú heag.)Industrial Welfare Society. Industrial Welfare. Industrial Welfare Society, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.