Παραπομπή σε μορφή APA (7η εκδ.)

Ennals, J. R. (1985). Artificial intelligence: Applications to logical reasoning and historical research. Ellis Horwood Limited.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ennals, J. R. Artificial Intelligence: Applications to Logical Reasoning and Historical Research. Chichester: Ellis Horwood Limited, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ennals, J. R. Artificial Intelligence: Applications to Logical Reasoning and Historical Research. Ellis Horwood Limited, 1985.