STITT, C. (2010). GIGGLERS: GILBERT GALAXY, SPACE HERO. BLAKE EDUCATION.
Chicago-čujuhus (17. p.)STITT, CHRISTOPHER. GIGGLERS: GILBERT GALAXY, SPACE HERO. CLAYTON SOUTH: BLAKE EDUCATION, 2010.
MLA-čujuhus (9. p.)STITT, CHRISTOPHER. GIGGLERS: GILBERT GALAXY, SPACE HERO. BLAKE EDUCATION, 2010.
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