Παραπομπή APA

(1969). Socio-economic progress in Latin America: Social progress trust fund eighth annual report, 1968. Washington, D.C: [s.n.].

Παραπομπή Chicago Style

Socio-economic Progress in Latin America: Social Progress Trust Fund Eighth Annual Report, 1968. Washington, D.C: [s.n.], 1969.

Παραπομπή MLA

Socio-economic Progress in Latin America: Social Progress Trust Fund Eighth Annual Report, 1968. Washington, D.C: [s.n.], 1969.

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