Horn,Stephen. (1960). The cabinet and congress. Columbia university press.
Dyfyniad Arddull ChicagoHorn,Stephen. The Cabinet and Congress. NewYork: Columbia university press, 1960.
Dyfyniad MLAHorn,Stephen. The Cabinet and Congress. Columbia university press, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.