Παραπομπή σε μορφή APA (7η εκδ.)

Kyburg, H. E., Loui, R. P., & Carlson, G. N. (1990). Knowledge representation and defeasible reasoning. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kyburg, Henry Ely, Ronald P. Loui, και Greg N. Carlson. Knowledge Representation and Defeasible Reasoning. Dordrecht ; Boston: Kluwer Academic Publishers, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kyburg, Henry Ely, et al. Knowledge Representation and Defeasible Reasoning. Kluwer Academic Publishers, 1990.