Hajek, P. (1998). Metamathematics of fuzzy logic. Kluwer.
Chicago Style aipamenaHajek, Petr. Metamathematics of Fuzzy Logic. Dordrecht ; Boston: Kluwer, 1998.
MLA aipamenaHajek, Petr. Metamathematics of Fuzzy Logic. Kluwer, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.