Hughes, R. B. (1988). St. Edward's portraits. s.n.].
Chicago Style aipamenaHughes, Richard Bennett. St. Edward's Portraits. [Austin? Tex.: s.n.], 1988.
MLA aipamenaHughes, Richard Bennett. St. Edward's Portraits. s.n.], 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.