Williams, J. B. F. (1974). Children with specific learning difficulties: The effect of neurodevelopmental learning disorders on children of normal intelligence (2d ed.). Pergamon Press.
Cita Chicago (17th ed.)Williams, Jessie Baroness Francis-Williams. Children with Specific Learning Difficulties: The Effect of Neurodevelopmental Learning Disorders on Children of Normal Intelligence. 2d ed. Oxford: Pergamon Press, 1974.
Cita MLA (9th ed.)Williams, Jessie Baroness Francis-Williams. Children with Specific Learning Difficulties: The Effect of Neurodevelopmental Learning Disorders on Children of Normal Intelligence. 2d ed. Pergamon Press, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.