Não informado. (1970). ISLA: Information Services on Latin America. Information Services in Latin American.
Chicago-viite (17. p.)Não informado. ISLA: Information Services on Latin America. Oakland, Calif: Information Services in Latin American, 1970.
MLA-viite (8. p.)Não informado. ISLA: Information Services on Latin America. Information Services in Latin American, 1970.
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