Παραπομπή APA

Zimmermann, H. J. (1996). Fuzzy set theory: And its applications (2nd rev. ed.). Allied Publishers.

Παραπομπή Chicago Style

Zimmermann, H. J. Fuzzy Set Theory: And Its Applications. 2nd rev. ed. New Delhi: Allied Publishers, 1996.

Παραπομπή MLA

Zimmermann, H. J. Fuzzy Set Theory: And Its Applications. 2nd rev. ed. Allied Publishers, 1996.