Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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