Enid Blyton. The valley of adventure. Macmillan Children's, 2007, c1947.
Cita Chicago (17th ed.)Enid Blyton. The Valley of Adventure. London: Macmillan Children's, 2007, c1947.
Cita MLA (8th ed.)Enid Blyton. The Valley of Adventure. Macmillan Children's, 2007, c1947.
Atenció: Aquestes cites poden no estar 100% correctes.