Russell Punter. (2019). Usborne Young Reading: Stories of Dinosaurs. Usborne Publishing Ltd.
Lua i Stíl Chicago (17ú heag.)Russell Punter. Usborne Young Reading: Stories of Dinosaurs. Usborne Publishing Ltd, 2019.
Lua MLA (9ú heag.)Russell Punter. Usborne Young Reading: Stories of Dinosaurs. Usborne Publishing Ltd, 2019.
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