Toys and Children: Toy Safety (National Toy Council.). National Toy Council, Child Accident Prevention Trust.
Lua i Stíl Chicago (17ú heag.)Toys and Children: Toy Safety. National Toy Council. London: National Toy Council, Child Accident Prevention Trust.
Lua MLA (8ú heag.)Toys and Children: Toy Safety. National Toy Council. National Toy Council, Child Accident Prevention Trust.
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