The Rockefeller Foundation. (2009). The Rockefeller Foundation: bellagio center: The First 50 Years. The Rockefeller Foundation.
Chicago-viite (17. p.)The Rockefeller Foundation. The Rockefeller Foundation: Bellagio Center: The First 50 Years. New York: The Rockefeller Foundation, 2009.
MLA-viite (8. p.)The Rockefeller Foundation. The Rockefeller Foundation: Bellagio Center: The First 50 Years. The Rockefeller Foundation, 2009.
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