Roald Dahl. (2007). Charlie and the Great Glass Elevator. Penguin USA.
Cita Chicago (17th ed.)Roald Dahl. Charlie and the Great Glass Elevator. Penguin USA, 2007.
Cita MLA (9th ed.)Roald Dahl. Charlie and the Great Glass Elevator. Penguin USA, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.