AUTUMN CHILDREN BOOKS. THE FROG PRINCE (2018.). AUTUMB CHILDREN BOOKS PUBLISHING HOUSE.
Chicago-viite (17. p.)AUTUMN CHILDREN BOOKS. THE FROG PRINCE. 2018. CHICHESTER: AUTUMB CHILDREN BOOKS PUBLISHING HOUSE.
MLA-viite (9. p.)AUTUMN CHILDREN BOOKS. THE FROG PRINCE. 2018. AUTUMB CHILDREN BOOKS PUBLISHING HOUSE.
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