Beastly Boys (Writers' group) & Duddle, J. (2011). The big beast sale. Simon & Schuster Children's.
Čikaški stil citiranja (17. izdanje)Beastly Boys (Writers' group) i Jonny Duddle. The Big Beast Sale. london: Simon & Schuster Children's, 2011.
MLA način citiranja (8. izdanje)Beastly Boys (Writers' group) i Jonny Duddle. The Big Beast Sale. Simon & Schuster Children's, 2011.
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