Viertl, R. (2011). Statistical methods for fuzzy data. John Wiley & sons.
Chicago Edition CitationViertl, Reinhard. Statistical Methods for Fuzzy Data. United Kingdom: John Wiley & sons, 2011.
MLA Edition CitationViertl, Reinhard. Statistical Methods for Fuzzy Data. John Wiley & sons, 2011.
Warning: These citations may not always be 100% accurate.