(1966). Socio-economic progress in Latin America: Social progress, trust fund, sixth annual report, 1966. Washington, D.C: Inter-American Development Bank.
Παραπομπή Chicago StyleSocio-economic Progress in Latin America: Social Progress, Trust Fund, Sixth Annual Report, 1966. Washington, D.C: Inter-American Development Bank, 1966.
Παραπομπή MLASocio-economic Progress in Latin America: Social Progress, Trust Fund, Sixth Annual Report, 1966. Washington, D.C: Inter-American Development Bank, 1966.
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