6Daniel P. Forbes .Measuring the Unmeasurable: Empirical Studies of Nonprofit Organization Effectiveness from 1977 to 1997[J]. Nonprofit and Voluntary Sector Quarterly,1998,27(2).
7Bowman, W. Should Donors Care about Overhead Costs? Do They Care?[J].Nonprofit and Voluntary Sector Quarterly,2006,35.
8Parsons, L. Is Accounting Information from Nonprofit Organizations Useful to Donors? Review of Charitable Giving and Valuerelevance[J].Joumal of Accounting Literature,2003,22.
9William J. Ritchie, R. W. K. Nonprofit Organization Financial Performance Measurement: An Evaluation of New and Existing Financial Performance Measures[J].Nonprofit Management and Leadership,2003,13(4).
