Geronimo Stilton. (2019). Geronimo Stilton Save the white whale! (2011.). Scholastic Publications.
Chicago-čujuhus (17. p.)Geronimo Stilton. Geronimo Stilton Save the White Whale! 2011. Scholastic Publications, 2019.
MLA-čujuhus (9. p.)Geronimo Stilton. Geronimo Stilton Save the White Whale! 2011. Scholastic Publications, 2019.
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