Blyton, E. (1986). Sleepyland stories. Purnell.
Cita Chicago (17th ed.)Blyton, Enid. Sleepyland Stories. London: Purnell, 1986.
Cita MLA (8th ed.)Blyton, Enid. Sleepyland Stories. Purnell, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.