James L. Roark ... [et al.]. (2003). The American promise: A history of the United States. Boston, MA: Bedford/ST. Martin's.
Παραπομπή Chicago StyleJames L. Roark ... [et al.]. The American Promise: A History of the United States. Boston, MA: Bedford/ST. Martin's, 2003.
Παραπομπή MLAJames L. Roark ... [et al.]. The American Promise: A History of the United States. Boston, MA: Bedford/ST. Martin's, 2003.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.