APA-čujuhus (7. p.)
ebrary, Inc, & O'Hanlon, M. E. (2007). Opportunity 08: Independent ideas for America's next president. Brookings Institution Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Michael E. O'Hanlon. Opportunity 08: Independent Ideas for America's Next President. Washington, D.C.: Brookings Institution Press, 2007.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Michael E. O'Hanlon. Opportunity 08: Independent Ideas for America's Next President. Brookings Institution Press, 2007.
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