Walton Gary. (2010). History of the American Economy 11 ED (11th.). Cengage Learning.
Chicago Style (17th ed.) CitationWalton 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.
警告:這些引文格式不一定是100%准確.