Stilton, G. (2015). Geronimo Stilton: #66 Operation: Secret Recipe. Scholastic.
Cita Chicago (17th ed.)Stilton, Geronimo. Geronimo Stilton: #66 Operation: Secret Recipe. Malaysia: Scholastic, 2015.
Cita MLA (8th ed.)Stilton, Geronimo. Geronimo Stilton: #66 Operation: Secret Recipe. Scholastic, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.