Παραπομπή APA

Obama, B. (2008). Change we can believe in: Barack obama's plan to renew america's promise. Three Rivers.

Παραπομπή Chicago Style

Obama, Barack. Change We Can Believe in: Barack Obama's Plan to Renew America's Promise. New York: Three Rivers, 2008.

Παραπομπή MLA

Obama, Barack. Change We Can Believe in: Barack Obama's Plan to Renew America's Promise. Three Rivers, 2008.