Leonhard, J. Language and knowledge in "Paradise Lost": John Leonhard. The Cambridge companion to Milton.(2004).
Lua i Stíl Chicago (17ú heag.)Leonhard, John. "Language and Knowledge in "Paradise Lost": John Leonhard." The Cambridge Companion to Milton.(2004) .
Lua MLA (8ú heag.)Leonhard, John. "Language and Knowledge in "Paradise Lost": John Leonhard." The Cambridge Companion to Milton.(2004), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.