Citazione Stile APA (7a Edizione)

Ruan, D. (1995). Fuzzy set theory and advanced mathematical applications. Kluwer Academic.

Citazione stile Chigago Style (17a edizione)

Ruan, Da. Fuzzy Set Theory and Advanced Mathematical Applications. Boston: Kluwer Academic, 1995.

Citatione MLA (9a ed.)

Ruan, Da. Fuzzy Set Theory and Advanced Mathematical Applications. Kluwer Academic, 1995.