Lagus, H. (1968). Introduction of the forty-hour week in Finland. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Lagus, Henrik. Introduction of the Forty-hour Week in Finland. International Labour Organization, 1968.
Citatione MLA (9a ed.)Lagus, Henrik. Introduction of the Forty-hour Week in Finland. International Labour Organization, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.