Zainaldin. American Philanthropic Foundations. Indiana University Press.
Dyfyniad Arddull ChicagoZainaldin. American Philanthropic Foundations. Indiana University Press.
Dyfyniad MLAZainaldin. American Philanthropic Foundations. Indiana University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.