Ingham, B. (1980). The 35-hour week: The fight against unemployment. Militant.
Lua i Stíl Chicago (17ú heag.)Ingham, Brian. The 35-hour Week: The Fight Against Unemployment. London: Militant, 1980.
Lua MLA (8ú heag.)Ingham, Brian. The 35-hour Week: The Fight Against Unemployment. Militant, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.