1. “Taking Measure of Americans: Size Guides Get Updating,”;Belkin;The New York Times,1986
2. British Standards Institution 1977 Size Designation of Clothes-Definitions and Body Measurement Procedure
3. Brunn , Georg W 1983 “The Shape of Your Customer,” Bobbin 96 100
4. “Jeans Sizing: Problems and Recommendations,”;Delk;Apparel Manufacturer,1989