Kail, R. V. (1998). Children and their development. Prentice Hall.
Citace podle Chicago (17th ed.)Kail, Robert V. Children and Their Development. Upper Saddle River, N.J: Prentice Hall, 1998.
Citace podle MLA (9th ed.)Kail, Robert V. Children and Their Development. Prentice Hall, 1998.
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