(1985). Programming expert systems in OPS5: An introd. to rule-based programming (Student ed.). Addison-Wesley.
Chicago-Zitierstil (17. Ausg.)Programming Expert Systems in OPS5: An Introd. to Rule-based Programming. Student ed. Reading, Mass: Addison-Wesley, 1985.
MLA-Zitierstil (9. Ausg.)Programming Expert Systems in OPS5: An Introd. to Rule-based Programming. Student ed. Addison-Wesley, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.