Cita APA (7th ed.)
ebrary, Inc, & O'Hanlon, M. E. (2007). Opportunity 08: Independent ideas for America's next president. Brookings Institution Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Michael E. O'Hanlon. Opportunity 08: Independent Ideas for America's Next President. Washington, D.C.: Brookings Institution Press, 2007.
Cita MLA (9th ed.)
ebrary, Inc, i Michael E. O'Hanlon. Opportunity 08: Independent Ideas for America's Next President. Brookings Institution Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.