APA-viite (7. p.)
ebrary, Inc. (2008). Opportunity 08: Independent ideas for America's next president (2nd ed.). Brookings Institution Press.
Chicago-viite (17. p.)
ebrary, Inc. Opportunity 08: Independent Ideas for America's Next President. 2nd ed. Washington, D.C.: Brookings Institution Press, 2008.
MLA-viite (9. p.)
ebrary, Inc. Opportunity 08: Independent Ideas for America's Next President. 2nd ed. Brookings Institution Press, 2008.
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