LOBEL ARNOLD. (2020). FROG AND TOAD TOGETHER (2020.). HARPER COLLINS PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)LOBEL ARNOLD. FROG AND TOAD TOGETHER. 2020. LONDON: HARPER COLLINS PUBLICATIONS, 2020.
MLA način citiranja (9. izdanje)LOBEL ARNOLD. FROG AND TOAD TOGETHER. 2020. HARPER COLLINS PUBLICATIONS, 2020.
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