Quain, Bill. No one ever made money by discouraging their customers from spending it! / Bill Quain. - 2003. // The Cornell Hotel and restaurant administration quarterly. Vol. 44 (2003), No. 5-6
Quain, Bill. Revenue enhancement, Part 1 : a straightforward approach for making more money / Bill Wuain, Michael Sansbury, Stephen M. LeBruto. - 1998. // The Cornell Hotel and restaurant administration quarterly. Vol. 39 (1998), No. 5
Quain, Bill. Revenue enhancement, Part 2 : making more money at your hotel / Bill Quain, Michael Sansbury, Ted Abernethy. - 1998. // The Cornell Hotel and restaurant administration quarterly. Vol. 39 (1998), No. 6
Quain, Bill. Revenue enhancement, Part 4 : increasing restaurant profitability / Bill Quain, Michael W. Sansbury, Stephen M. LeBruto. - 1999. // The Cornell Hotel and restaurant administration quarterly. Vol. 40 (1999), No. 3
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No one ever made money by discouraging their customers from spending it! ...