Littner, N. (1957). The strains and stresses on the child welfare worker. Child Welfare League of America.
Citace podle Chicago (17th ed.)Littner, Ner. The Strains and Stresses on the Child Welfare Worker. N.Y.: Child Welfare League of America, 1957.
Citace podle MLA (8th ed.)Littner, Ner. The Strains and Stresses on the Child Welfare Worker. Child Welfare League of America, 1957.
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