Παραπομπή σε μορφή APA (7η εκδ.)

Puppe, F. (1993). Systematic introduction to expert systems: Knowledge representations and problem-solving methods. Springer-Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Puppe, Frank. Systematic Introduction to Expert Systems: Knowledge Representations and Problem-solving Methods. Berlin ; New York: Springer-Verlag, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Puppe, Frank. Systematic Introduction to Expert Systems: Knowledge Representations and Problem-solving Methods. Springer-Verlag, 1993.