Tovey, H. (2007). Playing outdoors: Spaces and places, risk and challenge. Open University Press.
Citace podle Chicago (17th ed.)Tovey, Helen. Playing Outdoors: Spaces and Places, Risk and Challenge. Maidenhead: Open University Press, 2007.
Citace podle MLA (9th ed.)Tovey, Helen. Playing Outdoors: Spaces and Places, Risk and Challenge. Open University Press, 2007.
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