Hesse, H., & Michels, V. (1977). Reflections. Triad/Panther.
Lua i Stíl Chicago (17ú heag.)Hesse, Hermann, agus Volker Michels. Reflections. St. Albans: Triad/Panther, 1977.
Lua MLA (9ú heag.)Hesse, Hermann, agus Volker Michels. Reflections. Triad/Panther, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.