APA引文

Walton Gary. (2010). History of the American Economy 11 ED (11th.). Cengage Learning.

Chicago Style (17th ed.) Citation

Walton Gary. History of the American Economy 11 ED. 11th. USA: Cengage Learning, 2010.

MLA引文

Walton Gary. History of the American Economy 11 ED. 11th. Cengage Learning, 2010.