APA (7e ed.) Bronvermelding

Kaufmann, A., & Gupta, M. M. (1985). Introduction to fuzzy arithmetic: Theory and applications. Van Nostrand Reinhold Co..

Chicago (17e ed.) Bronvermelding

Kaufmann, A., en Madan M. Gupta. Introduction to Fuzzy Arithmetic: Theory and Applications. New York, N.Y.: Van Nostrand Reinhold Co., 1985.

MLA (9e ed.) Bronvermelding

Kaufmann, A., en Madan M. Gupta. Introduction to Fuzzy Arithmetic: Theory and Applications. Van Nostrand Reinhold Co., 1985.