(1930). The South African wage board and native labour. International Labour Organization.
Citazione stile Chigago Style (17a edizione)The South African Wage Board and Native Labour. International Labour Organization, 1930.
Citatione MLA (9a ed.)The South African Wage Board and Native Labour. International Labour Organization, 1930.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.