O'Hanlon, M. E. (2008). Opportunity 08: Independent ideas for America’s next president. Brookings Institution Press.
Čikaški stil citiranjaO'Hanlon, Michael E. Opportunity 08: Independent Ideas for America’s Next President. Brookings Institution Press, 2008.
MLA način citiranjaO'Hanlon, Michael E. Opportunity 08: Independent Ideas for America’s Next President. Brookings Institution Press, 2008.
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