Hewes, A. (1957). Workers' education in the United States. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Hewes, Amy. Workers' Education in the United States. International Labour Organization, 1957.
Citatione MLA (9a ed.)Hewes, Amy. Workers' Education in the United States. International Labour Organization, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.