Graef, H. C. (1951). The case of Therese Neumann. Newman Press.
Lua i Stíl Chicago (17ú heag.)Graef, Hilda C. The Case of Therese Neumann. Westminster, Md.: Newman Press, 1951.
Lua MLA (8ú heag.)Graef, Hilda C. The Case of Therese Neumann. Newman Press, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.