Ferber, M. (1993). The poetry of Shelley. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Ferber, Michael. The Poetry of Shelley. London, England ; New York, N.Y.: Penguin Books, 1993.
Lua MLA (8ú heag.)Ferber, Michael. The Poetry of Shelley. Penguin Books, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.