Irwin, M. (1961). That great Lucifer: A portrait of Sir Walter Ralegh. Reprint Society.
Lua i Stíl Chicago (17ú heag.)Irwin, Margaret. That Great Lucifer: A Portrait of Sir Walter Ralegh. London: Reprint Society, 1961.
Lua MLA (8ú heag.)Irwin, Margaret. That Great Lucifer: A Portrait of Sir Walter Ralegh. Reprint Society, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.