Gaya APA
Liu, X., Pedrycz, W.
(2009).
Axiomatic fuzzy set theory and its applications
.
Canada:
Springer-Werlag.
Gaya MLA
Liu, Xiaodong., Pedrycz, Witold.
"Axiomatic fuzzy set theory and its applications".
Canada:
Springer-Werlag,
2009.
Buku.