Barack Obama. (2019). "Change We Can Believe in: Barack Obama's Plan to Renew America's Promise [Paperback] [Jan 01, 2009] Barack Obama" (1.). Canongate Books Ltd.
Chicago-referens (17:e uppl.)Barack Obama. "Change We Can Believe in: Barack Obama's Plan to Renew America's Promise [Paperback] [Jan 01, 2009] Barack Obama". 1. Canongate Books Ltd, 2019.
MLA-referens (9:e uppl.)Barack Obama. "Change We Can Believe in: Barack Obama's Plan to Renew America's Promise [Paperback] [Jan 01, 2009] Barack Obama". 1. Canongate Books Ltd, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.