COURTENAY L A. SPACE PENGUINS: METEOR MADNESS (2013.). PARRAGON BOOKS PUBLISHING HOUSE.
Chicago-čujuhus (17. p.)COURTENAY L A. SPACE PENGUINS: METEOR MADNESS. 2013. MINNESOTA: PARRAGON BOOKS PUBLISHING HOUSE.
MLA-čujuhus (9. p.)COURTENAY L A. SPACE PENGUINS: METEOR MADNESS. 2013. PARRAGON BOOKS PUBLISHING HOUSE.
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