Não informado. (1947). International child welfare review. International Union for Child Welfare.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. International Child Welfare Review. Geneva, Suíça: International Union for Child Welfare, 1947.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. International Child Welfare Review. International Union for Child Welfare, 1947.
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