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Ennals, Richard (1985) Artificial Intelligence: applications to logical reasoning and historical research. Chichester : Ellis Horwood. 172p. (Ellis Horwood series in computers and their applications) ISBN 0853128561

Ennals, Richard (1985) Introducing logic as a computer language into the classroom. In: Fairbrother, Roland, (ed.) Greater Manchester Primary Contact: microcomputers. 2nd ed. Manchester, U.K. : Didsbury School of Education Manchester Polytechnic. pp. 169-171. (Greater Manchester Primary Contact , no. 3, 3)

Ennals, Richard (1985) New technologies in training. Training and Development, pp. 23-24.