Sarne, M. (1959). Joanna. Sphere Books.
Lua i Stíl Chicago (17ú heag.)Sarne, Michael. Joanna. London: Sphere Books, 1959.
Lua MLA (8ú heag.)Sarne, Michael. Joanna. Sphere Books, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.