Ayrmann, C. F. (1745). Christoph. Frider. Ayrmanni Programma de sigillis secretis Landgraviorum Hassiae veterum. Lammers.
Lua i Stíl Chicago (17ú heag.)Ayrmann, Christoph Friedrich. Christoph. Frider. Ayrmanni Programma De Sigillis Secretis Landgraviorum Hassiae Veterum. Giessae: Lammers, 1745.
Lua MLA (8ú heag.)Ayrmann, Christoph Friedrich. Christoph. Frider. Ayrmanni Programma De Sigillis Secretis Landgraviorum Hassiae Veterum. Lammers, 1745.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.