Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.