APA (7th ed.) Zitazioa
Williamson, S. (1999). Gresford: The anatomy of a disaster. Liverpool University Press.
Chicago Style (17th ed.) Zitazioa
Williamson, Stanley. Gresford: The Anatomy of a Disaster. Liverpool: Liverpool University Press, 1999.
MLA (9th ed.) Zitazioa
Williamson, Stanley. Gresford: The Anatomy of a Disaster. Liverpool University Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.