(1963). A survey of employment, unemployment and underemployment in Ceylon. International Labour Organization.
Citazione stile Chigago Style (17a edizione)A Survey of Employment, Unemployment and Underemployment in Ceylon. International Labour Organization, 1963.
Citatione MLA (9a ed.)A Survey of Employment, Unemployment and Underemployment in Ceylon. International Labour Organization, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.