3Robert J Kauffman, Bin Wang. Bid Together, Buy Together: On The Efficacy of Group - Buying Business Models in Internet-Based Selling [M]. In P. B. Lowry, J.O. Cherrington, and R. R. Watson (editors), the E - Business Handbook, Boca Raton,FL: St. Lucie Press, 2002.
4Kauffman R J, and Wang B. New Buyers' Arrival under Dynamic Pricing Market Microstructure: The Case of Group - Buying Discounts on the Internet [C]. In R. Sprague (ed.) Proceedings of the 34th Hawaii International Conference on System Sciences, Maui, HI, Los Alamitos, CA: IEEE Computing Society Press, 2001.
5Rugullies, E. Power to the Buyer with Group Buying Sites [J]. e - Business Advisor, 2000,(10) : 10- 13.
6O' Brien J. Cooperative Commerce: Group - Buying Engines Promise Consumers Strength in Numbers [J]. Computer Shopper, 2000, (5) :78.