(1967). Socio-economic progress in Latin America: Social progress, trust fund, seventh annual report, 1967. Washington, D.C: Inter-American Development Bank.
Παραπομπή Chicago StyleSocio-economic Progress in Latin America: Social Progress, Trust Fund, Seventh Annual Report, 1967. Washington, D.C: Inter-American Development Bank, 1967.
Παραπομπή MLASocio-economic Progress in Latin America: Social Progress, Trust Fund, Seventh Annual Report, 1967. Washington, D.C: Inter-American Development Bank, 1967.
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