Реферат: Congress of the United States

Acheson, Patricia C. Our Federal Government: How It Works. Dodd, 4th ed., 1984.

Burns, James MacGregor and others. Government by the People. Prentice, 13th ed., 1987.

Prewitt, Kenneth and Verba, Sidney. An Introduction to American Government. Harper, 5th ed., 1986.

Prewitt, Kenneth and Verba, Sidney. USA Government. Harper, 6th ed., 1989.