Sluss, D. J. (2005). Supporting play: Birth through age eight. Thomson Delmar Learning.
Citace podle Chicago (17th ed.)Sluss, Dorothy Justus. Supporting Play: Birth Through Age Eight. Clifton Park, NY: Thomson Delmar Learning, 2005.
Citace podle MLA (8th ed.)Sluss, Dorothy Justus. Supporting Play: Birth Through Age Eight. Thomson Delmar Learning, 2005.
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