International Labour Office & Mendelievich, E. (1979). Children at work. International Labour Office.
Citazione stile Chigago Style (17a edizione)International Labour Office e Elias Mendelievich. Children at Work. Geneva: International Labour Office, 1979.
Citatione MLA (9a ed.)International Labour Office e Elias Mendelievich. Children at Work. International Labour Office, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.