Dyfyniad APA

The Rockefeller Foundation. (2009). The Rockefeller Foundation: bellagio center: The First 50 Years. The Rockefeller Foundation.

Dyfyniad Arddull Chicago

The Rockefeller Foundation. The Rockefeller Foundation: Bellagio Center: The First 50 Years. New York: The Rockefeller Foundation, 2009.

Dyfyniad MLA

The Rockefeller Foundation. The Rockefeller Foundation: Bellagio Center: The First 50 Years. The Rockefeller Foundation, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.