3Roland T. Rust, Valarie A. Zeithaml, Katherine N. Lemon. Driving Customer equity [ M]. NewYork.. The Free Press, 2000.
4Johnson M D, Selnes F. Customer Portfolio Management: Toward a Dynamic Theory of Ex- change lelationships [J]. Journal of Marketing, 2004,68 (4).
5Johnson M D, Selnes F. Diversifying Your Cus- tomer Portfolio [J]. Sloan Management Review, 2005,46 (3).
6Terho H, Halinen A. Customer portfolio analysis practices in different exchange contexts[J]. Journal of Business Research, 2007,60.
7Teck-Yong Eng. Customer portfolio planning in a business network context [J]. Journal of Marketing Management, 2008, 24(5-6):567,587.
8Rajagopal, Sanchez P,.. Analysis of customer portfolio and relationship management models [J].Journal of Business & Industrial Marketing, 2005,20 (6):307 - 316.
9Tarasi C O, Bolton P N, Hutt M D et al. Balancing Risk andReturn in a Customer Portfolio[J]. Journal of Marketing, 2011,75 (5).
10Yli-Renko H, Janakiraman R. How Customer Portfolio Affects New Product Development in Technology -Based Entrepreneurial Firms [J]. Journal of Marketing,2008,72 (9).