Παραπομπή σε μορφή APA (7η εκδ.)

Brownston, L. (1985). Programming expert systems in OPS5: An introduction to rule-based programming. Addison-Wesley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Brownston, Lee. Programming Expert Systems in OPS5: An Introduction to Rule-based Programming. Reading, Mass.: Addison-Wesley, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Brownston, Lee. Programming Expert Systems in OPS5: An Introduction to Rule-based Programming. Addison-Wesley, 1985.