RIORDAN, R. (2009). PERCY JACKSON AND THE BATTLE OF THE LABYRAINTH. PUFFIN.
Čikaški stil citiranja (17. izdanje)RIORDAN, RICK. PERCY JACKSON AND THE BATTLE OF THE LABYRAINTH. PUFFIN, 2009.
MLA način citiranja (9. izdanje)RIORDAN, RICK. PERCY JACKSON AND THE BATTLE OF THE LABYRAINTH. PUFFIN, 2009.
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