Roessler, P., Howard, M., & Lindberg, S. (2009). Post-Cold War Political Regimes: When Do Elections Matter? Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Roessler, P., M. Howard, agus S. Lindberg. Post-Cold War Political Regimes: When Do Elections Matter? Johns Hopkins University Press, 2009.
Lua MLA (9ú heag.)Roessler, P., et al. Post-Cold War Political Regimes: When Do Elections Matter? Johns Hopkins University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.