Walton Gary. (2010). History of the American Economy 11 ED (11th.). Cengage Learning.
Chicago-referens (17:e uppl.)Walton Gary. History of the American Economy 11 ED. 11th. USA: Cengage Learning, 2010.
MLA-referens (9:e uppl.)Walton Gary. History of the American Economy 11 ED. 11th. Cengage Learning, 2010.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.