Geronimo Stilton. (2009). "Singing Sensation (Geronimo Stilton, No. 39)". Scholastic Paperbacks.
Chicago-čujuhus (17. p.)Geronimo Stilton. "Singing Sensation (Geronimo Stilton, No. 39)". Scholastic Paperbacks, 2009.
MLA-čujuhus (9. p.)Geronimo Stilton. "Singing Sensation (Geronimo Stilton, No. 39)". Scholastic Paperbacks, 2009.
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