1. Pricing Decisions;Alpert,1971
2. American Hotel and Lodging Association, 2003. 2003 Lodging Industry Profile, available on-line at http://www.ahla.com.
3. Do odd prices earn money;Bader;Journal of Retailing,1932
4. High and declining prices signal product quality;Bagwell;American Economic Review,1991
5. Retail Management;Berman,1986