Thayer, G. (1973). Who shakes the money tree?: American campaign financing practices from 1789 to the present. New York: Simon and Schuster.
Dyfyniad Arddull ChicagoThayer, George. Who Shakes the Money Tree?: American Campaign Financing Practices From 1789 to the Present. New York: Simon and Schuster, 1973.
Dyfyniad MLAThayer, George. Who Shakes the Money Tree?: American Campaign Financing Practices From 1789 to the Present. New York: Simon and Schuster, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.