Schmidt, S. W., Bardes, B. A., & Shelley, M. C. (1999). American government and politics today / Steffen W. Schmidt, Mack C. Shelley, Barbara A. Bardes (1999-2000 edition.). West/Wadworth.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmidt, Steffen W., Barbara A. Bardes, और Mack C. Shelley. American Government and Politics Today / Steffen W. Schmidt, Mack C. Shelley, Barbara A. Bardes. 1999-2000 edition. Belmont, Calif. ; London: West/Wadworth, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchmidt, Steffen W., et al. American Government and Politics Today / Steffen W. Schmidt, Mack C. Shelley, Barbara A. Bardes. 1999-2000 edition. West/Wadworth, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.