Citazione Stile APA (7a Edizione)

(1951). Hours of work and rest and annual holidays in dangerous and unhealthy occupations. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Hours of Work and Rest and Annual Holidays in Dangerous and Unhealthy Occupations. International Labour Organization, 1951.

Citatione MLA (9a ed.)

Hours of Work and Rest and Annual Holidays in Dangerous and Unhealthy Occupations. International Labour Organization, 1951.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.