Lua APA (7ú heag.)
ebrary, Inc, & O'Hanlon, M. E. (2007). Opportunity 08: Independent ideas for America's next president. Brookings Institution Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Michael E. O'Hanlon. Opportunity 08: Independent Ideas for America's Next President. Washington, D.C.: Brookings Institution Press, 2007.
Lua MLA (9ú heag.)
ebrary, Inc, agus Michael E. O'Hanlon. Opportunity 08: Independent Ideas for America's Next President. Brookings Institution Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.