Mary Pope Osborne and Natalie Pope Boyce. (2003). Magic Tree House Fact Tracker , Dolphins and Sharks (2003.). Magic Tree House Fact Tracker.
Chicago-čujuhus (17. p.)Mary Pope Osborne and Natalie Pope Boyce. Magic Tree House Fact Tracker , Dolphins and Sharks. 2003. Magic Tree House Fact Tracker, 2003.
MLA-čujuhus (9. p.)Mary Pope Osborne and Natalie Pope Boyce. Magic Tree House Fact Tracker , Dolphins and Sharks. 2003. Magic Tree House Fact Tracker, 2003.
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