Adrian, C. R. (1965). The american political process. Mc Graw Hill.
Cita Chicago (17th ed.)Adrian, Charles R. The American Political Process. Mc Graw Hill, 1965.
Cita MLA (9th ed.)Adrian, Charles R. The American Political Process. Mc Graw Hill, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.