Gupta, Goel, Jain, & Tyagi. (2005). Six sigma for transactions and service. McGraw-Hill.
Chicago Style (17th ed.) CitationGupta, Goel, Jain, and Tyagi. Six Sigma for Transactions and Service. New York: McGraw-Hill, 2005.
MLA (8th ed.) CitationGupta, et al. Six Sigma for Transactions and Service. McGraw-Hill, 2005.
Warning: These citations may not always be 100% accurate.