Citazione Stile APA (7a Edizione)

(1956). The world's working population: Some demographic aspects. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

The World's Working Population: Some Demographic Aspects. International Labour Organization, 1956.

Citatione MLA (9a ed.)

The World's Working Population: Some Demographic Aspects. International Labour Organization, 1956.

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