Παραπομπή APA

Hajek, P. (1998). Metamathematics of fuzzy logic. Kluwer.

Παραπομπή Chicago Style

Hajek, Petr. Metamathematics of Fuzzy Logic. Dordrecht ; Boston: Kluwer, 1998.

Παραπομπή MLA

Hajek, Petr. Metamathematics of Fuzzy Logic. Kluwer, 1998.