Παραπομπή σε μορφή APA (7η εκδ.)

Zimmermann, H. (1987). Fuzzy sets, decision making, and expert systems. Kluwer Academic Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zimmermann, H.-J. Fuzzy Sets, Decision Making, and Expert Systems. Boston,: Kluwer Academic Publishers, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Zimmermann, H.-J. Fuzzy Sets, Decision Making, and Expert Systems. Kluwer Academic Publishers, 1987.