Williams, J. (1993). Wordsworth. St. Martin's Press; Macmillan.
Lua i Stíl Chicago (17ú heag.)Williams, John. Wordsworth. New York; London: St. Martin's Press; Macmillan, 1993.
Lua MLA (8ú heag.)Williams, John. Wordsworth. St. Martin's Press; Macmillan, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.