ALLIGATOR BOOKS. CLASSIC FAIRY TALES - THE UGLY DUCKLING (2018.). ALLIGATOR BOOKS PUBLISHING HOUSE.
Čikaški stil citiranja (17. izdanje)ALLIGATOR BOOKS. CLASSIC FAIRY TALES - THE UGLY DUCKLING. 2018. LONDON: ALLIGATOR BOOKS PUBLISHING HOUSE.
MLA način citiranja (9. izdanje)ALLIGATOR BOOKS. CLASSIC FAIRY TALES - THE UGLY DUCKLING. 2018. ALLIGATOR BOOKS PUBLISHING HOUSE.
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