Egli, W. (1956). John Marstons Dramen. P.G. Keller.
Lua i Stíl Chicago (17ú heag.)Egli, Willy. John Marstons Dramen. Winterthur: P.G. Keller, 1956.
Lua MLA (8ú heag.)Egli, Willy. John Marstons Dramen. P.G. Keller, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.