8Hu Qi guo, Zhang Peug. Model Establishing of Customer Satisfaction Degree Continuing Improvement for Manufacture Industry [R]. Working paper,2007.
9张尧庭,方开泰著.多元统计分析引论[M].北京:清华大学出版社.1997.
10Kan, Joe. Handbook of Canadian "Security Analysis: a Guide to Evaluating the Industry Sectors of the Market" [M]. Canada: Trigraphic Printing Ltd,1997.