PULLEIN CHRISTINE. (2019). THE MYSTERY OF SPITEFUL LETTERS (2014 Ed.). EGMONT BOOK PUBLISHERS LTD.
Chicago-čujuhus (17. p.)PULLEIN CHRISTINE. THE MYSTERY OF SPITEFUL LETTERS. 2014 Ed. LONDON: EGMONT BOOK PUBLISHERS LTD, 2019.
MLA-čujuhus (9. p.)PULLEIN CHRISTINE. THE MYSTERY OF SPITEFUL LETTERS. 2014 Ed. EGMONT BOOK PUBLISHERS LTD, 2019.
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