Bardes, B. A., & Oldendick, R. W. (2000). Public opinion: Measuring the American mind. Wadsworth Publishing.
Cita Chicago (17th ed.)Bardes, Barbara A., i Robert W. Oldendick. Public Opinion: Measuring the American Mind. Belmont, CA: Wadsworth Publishing, 2000.
Cita MLA (9th ed.)Bardes, Barbara A., i Robert W. Oldendick. Public Opinion: Measuring the American Mind. Wadsworth Publishing, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.