75/457/E0F: Rådets Henstilling af 22. juli 1975 om princippet om en 40-timcrs arbejdsuge og princippet om fire ugers årlig betalt ferie EFT L 199 30.07.75 s.32.
75/457/EEC: Recommendation of the Council of 22 July 1975 on the principle of the 40-hour week and the principle of four weeks' annual paid holiday OJ L 199 30.07.75 p.32.