Keefe, W. J. (1984). Congress and the American people. Prentice-Hall.
Dyfyniad Arddull ChicagoKeefe, William J. Congress and the American People. Prentice-Hall, 1984.
Dyfyniad MLAKeefe, William J. Congress and the American People. Prentice-Hall, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.