Williams, J. (1993). Wordsworth. St. Martin's Press; Macmillan.
Chicago Style aipamenaWilliams, John. Wordsworth. New York; London: St. Martin's Press; Macmillan, 1993.
MLA aipamenaWilliams, John. Wordsworth. St. Martin's Press; Macmillan, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.