Não informado. Annual report on child and youth welfare. United Nations, Department of Social Affairs.
Cytowanie według stylu Chicago (wyd. 17)Não informado. Annual Report on Child and Youth Welfare. Geneva, Suíça: United Nations, Department of Social Affairs.
Cytowanie według stylu MLA (wyd. 8)Não informado. Annual Report on Child and Youth Welfare. United Nations, Department of Social Affairs.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..