International Council for Children's Play (ICCP), Conference 1966. (1966). Bibliography on Play: Section on Play for handicapped Children. Children's Play Activities.
Citace podle Chicago (17th ed.)International Council for Children's Play (ICCP), Conference 1966. Bibliography on Play: Section on Play for Handicapped Children. London: Children's Play Activities, 1966.
Citace podle MLA (8th ed.)International Council for Children's Play (ICCP), Conference 1966. Bibliography on Play: Section on Play for Handicapped Children. Children's Play Activities, 1966.
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