Cita APA

Costa Ribeiro, S. On the urgen need for improving educational systems in Latin America. Sergio Costa Ribeiro. EE.UU: OEA, 1990.

Citación estilo Chicago

Costa Ribeiro, Sergio. On the Urgen Need for Improving Educational Systems in Latin America. Sergio Costa Ribeiro. EE.UU: OEA, 1990.

Cita MLA

Costa Ribeiro, Sergio. On the Urgen Need for Improving Educational Systems in Latin America. Sergio Costa Ribeiro. EE.UU: OEA, 1990.

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