PARRAGON BOOKS. (2019). CHILDREN'S GREAT EXPLORER ENCYCLOPEDIA (2012 Ed.). PARRAGON BOOK PUBLISHERS.
Chicago-referens (17:e uppl.)PARRAGON BOOKS. CHILDREN'S GREAT EXPLORER ENCYCLOPEDIA. 2012 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.
MLA-referens (9:e uppl.)PARRAGON BOOKS. CHILDREN'S GREAT EXPLORER ENCYCLOPEDIA. 2012 Ed. PARRAGON BOOK PUBLISHERS, 2019.
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