Citazione Stile APA (7a Edizione)

Kaufmann, A. (1975). Introduction to the theory of fuzzy subsets. Academic Pr.

Citazione stile Chigago Style (17a edizione)

Kaufmann, A. Introduction to the Theory of Fuzzy Subsets. Orlando, Fal: Academic Pr, 1975.

Citatione MLA (9a ed.)

Kaufmann, A. Introduction to the Theory of Fuzzy Subsets. Academic Pr, 1975.