APA-viite (7. p.)
Obama, B. (2007). The audacity of hope: Thoughts on reclaiming the American dream. Canongate.
Chicago-viite (17. p.)
Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Edinburg: Canongate, 2007.
MLA-viite (9. p.)
Obama, Barack. The Audacity of Hope: Thoughts on Reclaiming the American Dream. Canongate, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.