Gibbs, S. (2018). Spy School secret service (First paperback edition.). Simon & Schuster Books for Young Readers.
Cita Chicago Style (17a ed.)Gibbs, Stuart. Spy School Secret Service. First paperback edition. New York: Simon & Schuster Books for Young Readers, 2018.
Cita MLA (8a ed.)Gibbs, Stuart. Spy School Secret Service. First paperback edition. Simon & Schuster Books for Young Readers, 2018.
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