Singer, D. G., & Singer, J. L. (1990). The house of make-believe: Children's play and the developing imagination. Harvard University Press.
Citace podle Chicago (17th ed.)Singer, Dorothy G., a Jerome L. Singer. The House of Make-believe: Children's Play and the Developing Imagination. Cambridge, Mass.: Harvard University Press, 1990.
Citace podle MLA (8th ed.)Singer, Dorothy G., a Jerome L. Singer. The House of Make-believe: Children's Play and the Developing Imagination. Harvard University Press, 1990.
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