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 (9th εκδ.)

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