Kitting, H. (1981). Prins Willem. Hinstorff.
Lua i Stíl Chicago (17ú heag.)Kitting, Herman. Prins Willem. Rostock: Hinstorff, 1981.
Lua MLA (8ú heag.)Kitting, Herman. Prins Willem. Hinstorff, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.