Ehrenberg, R. G., & Smith, C. L. (2001). The sources and uses of annual giving at private research universities. National Bureau of Economic Research.
Chicago-referens (17:e uppl.)Ehrenberg, Ronald G., och Christopher L. Smith. The Sources and Uses of Annual Giving at Private Research Universities. Cambridge: National Bureau of Economic Research, 2001.
MLA-referens (9:e uppl.)Ehrenberg, Ronald G., och Christopher L. Smith. The Sources and Uses of Annual Giving at Private Research Universities. National Bureau of Economic Research, 2001.
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