James L. Roark ... [et al.]. (2003). The American promise: A history of the United States. Boston, MA: Bedford/ST. Martin's.
Dyfyniad Arddull ChicagoJames L. Roark ... [et al.]. The American Promise: A History of the United States. Boston, MA: Bedford/ST. Martin's, 2003.
Dyfyniad MLAJames L. Roark ... [et al.]. The American Promise: A History of the United States. Boston, MA: Bedford/ST. Martin's, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.