Ennals, J. R. (1986). Artifical intelligence: Applications to logical reasoning and historical research (Repr.). Ellis Horwood Limited.
Chicago-Zitierstil (17. Ausg.)Ennals, John Richard. Artifical Intelligence: Applications to Logical Reasoning and Historical Research. Repr. Chichester : Chichester [etc.] John Wiley & Sons: Ellis Horwood Limited, 1986.
MLA-Zitierstil (9. Ausg.)Ennals, John Richard. Artifical Intelligence: Applications to Logical Reasoning and Historical Research. Repr. Ellis Horwood Limited, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.