Steel, W. F. (1978). The intermediate sector, unemployement, and the employment-output conflict: A multi-sector model. World Bank.
Citazione stile Chigago Style (17a edizione)Steel, William F. The Intermediate Sector, Unemployement, and the Employment-output Conflict: A Multi-sector Model. Washington, D. C: World Bank, 1978.
Citatione MLA (9a ed.)Steel, William F. The Intermediate Sector, Unemployement, and the Employment-output Conflict: A Multi-sector Model. World Bank, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.