Evans, H., Buckland, G., & Lefer, D. (2004). They made America: From the steam engine to the search engine. Little Brown.
Chicago-referens (17:e uppl.)Evans, Harold, Gail Buckland, och David Lefer. They Made America: From the Steam Engine to the Search Engine. New York: Little Brown, 2004.
MLA-referens (9:e uppl.)Evans, Harold, et al. They Made America: From the Steam Engine to the Search Engine. Little Brown, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.