Sheridan, M. D., Meldon-Smith, L., & Harding, J. (1999). Play in early childhood: From birth to six years (2rd ed., rev. and updated.). Australian: Acer Press.
Styl ChicagoSheridan, Mary D., Liz Meldon-Smith, a Jackie Harding. Play in Early Childhood: From Birth to Six Years. 2rd ed., rev. and updated. Australian: Acer Press, 1999.
Citace podle MLASheridan, Mary D., Liz Meldon-Smith, a Jackie Harding. Play in Early Childhood: From Birth to Six Years. 2rd ed., rev. and updated. Australian: Acer Press, 1999.
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