Ridenour, N., & Johnson, I. (1949). Some special problems of children: Aged 2 to 5 years. The National Mental Health Foundation.
Citace podle Chicago (17th ed.)Ridenour, Nina, a Isabel Johnson. Some Special Problems of Children: Aged 2 to 5 Years. Filadelfia: The National Mental Health Foundation, 1949.
Citace podle MLA (9th ed.)Ridenour, Nina, a Isabel Johnson. Some Special Problems of Children: Aged 2 to 5 Years. The National Mental Health Foundation, 1949.
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