BLYTON, E. (2004). THE SECRET SEVEN: SHOCK FOR THE SECRET SEVEN. HODDER CHILDREN'S BOOKS.
Cita Chicago (17th ed.)BLYTON, ENID. THE SECRET SEVEN: SHOCK FOR THE SECRET SEVEN. HODDER CHILDREN'S BOOKS, 2004.
Cita MLA (9th ed.)BLYTON, ENID. THE SECRET SEVEN: SHOCK FOR THE SECRET SEVEN. HODDER CHILDREN'S BOOKS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.