OSBORNE, M. P. &. O. (2008). MAGIC TREE HOUSE FACT TRACKER PIRATES. RANDOM HOUSE.
Chicago-čujuhus (17. p.)OSBORNE, MARY. POPE & OSBORNE. MAGIC TREE HOUSE FACT TRACKER PIRATES. NEW YORK: RANDOM HOUSE, 2008.
MLA-čujuhus (9. p.)OSBORNE, MARY. POPE & OSBORNE. MAGIC TREE HOUSE FACT TRACKER PIRATES. RANDOM HOUSE, 2008.
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