Zimmermann, H. (2001). Fuzzy set theory - and its applications (4. ed.). Kluwer Acad. Publ.
Chicago Style (17th ed.) CitationZimmermann, Hans-Jürgen. Fuzzy Set Theory - and Its Applications. 4. ed. Boston [u.a.]: Kluwer Acad. Publ, 2001.
MLA (9th ed.) CitationZimmermann, Hans-Jürgen. Fuzzy Set Theory - and Its Applications. 4. ed. Kluwer Acad. Publ, 2001.
Warning: These citations may not always be 100% accurate.