Enid Blyton. (1956). The Famous Five: Five on a Secret Trail. Hodder's Children's Book.
Cita Chicago (17th ed.)Enid Blyton. The Famous Five: Five on a Secret Trail. London: Hodder's Children's Book, 1956.
Cita MLA (9th ed.)Enid Blyton. The Famous Five: Five on a Secret Trail. Hodder's Children's Book, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.