Hammack, D. C., & Anheier, H. K. (2013). A versatile American institution: The changing ideals and realities of philanthropic foundations. Brookings Institution Press.
Citazione stile Chigago Style (17a edizione)Hammack, David C., e Helmut K. Anheier. A Versatile American Institution: The Changing Ideals and Realities of Philanthropic Foundations. Washington, D.C: Brookings Institution Press, 2013.
Citatione MLA (9a ed.)Hammack, David C., e Helmut K. Anheier. A Versatile American Institution: The Changing Ideals and Realities of Philanthropic Foundations. Brookings Institution Press, 2013.
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