Gibbs, S. (2013). Spy school (First Simon & Schuster Books for Young Readers paperback edition.). Simon & Schuster Books for Young Readers.
Cita Chicago Style (17a ed.)Gibbs, Stuart. Spy School. First Simon & Schuster Books for Young Readers paperback edition. New York, New York: Simon & Schuster Books for Young Readers, 2013.
Cita MLA (8a ed.)Gibbs, Stuart. Spy School. First Simon & Schuster Books for Young Readers paperback edition. Simon & Schuster Books for Young Readers, 2013.
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