6Frumk P, Kimm T. Strategic Positioning and the Financing of Nonprofit Organizations: Is Efficiency Rewarded in the Contributions Market Place? [J]. The Hauser Center for Nonprofit Organizations 2000: 4-18.
7Walter W, Samu. Dimension of business and nonprofit collaborative relative relationships [J]. Journal of Nonprofit & Public Sector Marketing, 2003(11): 3-22.
8Andrea H. Creating 'buzz' : opportunities and limitations of social media for arts institutions and their viral marketing, International Journal of Nonprofit and Voluntary Sector Marketing, 2012; 17(3), 173-182.