O'Xallaghan, B. (1992). An illustrated history of the USA. Longman.
Chicago Style aipamenaO'Xallaghan, Bryn. An Illustrated History of the USA. Longman, 1992.
MLA aipamenaO'Xallaghan, Bryn. An Illustrated History of the USA. Longman, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.