West, D., J. et al.(2006).Nation of nations: a concise narrative of the American Republic (dilengkapiCD) ed.4 (Ed. 4).New York:McGraw-Hill.
Gaya MLA
Davidson, James, West. et al."Nation of nations: a concise narrative of the American Republic (dilengkapiCD) ed.4".Ed. 4New York:McGraw-Hill,2006.Textbook.