OBAMA BARACK. (2008). THE AUDACITY OF HOPE. CANONGATE BOOKS.
Chicago Style aipamenaOBAMA BARACK. THE AUDACITY OF HOPE. EDINBRUGH: CANONGATE BOOKS, 2008.
MLA aipamenaOBAMA BARACK. THE AUDACITY OF HOPE. CANONGATE BOOKS, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.