Heinkel, E., & Thorwald, J. (1956). He 1000: Ernst Heinkel. Ed. by Jürgen Thorwald. Hutchinson.
Lua i Stíl Chicago (17ú heag.)Heinkel, Ernst, agus Jürgen Thorwald. He 1000: Ernst Heinkel. Ed. by Jürgen Thorwald. London: Hutchinson, 1956.
Lua MLA (8ú heag.)Heinkel, Ernst, agus Jürgen Thorwald. He 1000: Ernst Heinkel. Ed. by Jürgen Thorwald. Hutchinson, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.