Roeder, P. W. (1994). Public opinion and policy leadership in the American states. Published for the Institute for Social Science Research by the University of Alabama Press.
Lua i Stíl Chicago (17ú heag.)Roeder, Phillip W. Public Opinion and Policy Leadership in the American States. Tuscaloosa: Published for the Institute for Social Science Research by the University of Alabama Press, 1994.
Lua MLA (9ú heag.)Roeder, Phillip W. Public Opinion and Policy Leadership in the American States. Published for the Institute for Social Science Research by the University of Alabama Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.