John, J. (2003). Fuzzy Logic: Introduction to fuzzy logic. Prentice Hall of India.
Chicago-viite (17. p.)John, Jerry. Fuzzy Logic: Introduction to Fuzzy Logic. New Delhi: Prentice Hall of India, 2003.
MLA-viite (9. p.)John, Jerry. Fuzzy Logic: Introduction to Fuzzy Logic. Prentice Hall of India, 2003.
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