ebrary, Inc, & Wittes, B. (2012). Campaign 2012: Twelve independent ideas for improving American public policy. Brookings Institution Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Benjamin Wittes. Campaign 2012: Twelve Independent Ideas for Improving American Public Policy. Washington, D.C.: Brookings Institution Press, 2012.
Lua MLA (9ú heag.)ebrary, Inc, agus Benjamin Wittes. Campaign 2012: Twelve Independent Ideas for Improving American Public Policy. Brookings Institution Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.