Riordan,Rick. (2010). Percy Jackson & The Battle of the Labyrinth. Puffin books.
Chicago-čujuhus (17. p.)Riordan,Rick. Percy Jackson & The Battle of the Labyrinth. UK: Puffin books, 2010.
MLA-čujuhus (9. p.)Riordan,Rick. Percy Jackson & The Battle of the Labyrinth. Puffin books, 2010.
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