APA
Zimmerman H. J., . (2001). Fuzzy set theory : and it's applications .-4th ed .-978-81-8128-519-5. Springer, New Delhi: .
Chicago
Zimmerman H J, . 2001. Fuzzy set theory : and it's applications .-4th ed .-978-81-8128-519-5. Springer, New Delhi: .
Harvard
Zimmerman H. J., . (2001). Fuzzy set theory : and it's applications .-4th ed .-978-81-8128-519-5. Springer, New Delhi: .
MLA
Zimmerman H J, . Fuzzy set theory : and it's applications .-4th ed .-978-81-8128-519-5. Springer, New Delhi: . 2001.