Althoff, K. W. (1988). The legend of the Nutcracker and Traditions of the Erzgebirge.
Lua i Stíl Chicago (17ú heag.)Althoff, K. W. The Legend of the Nutcracker and Traditions of the Erzgebirge. Minnesota, 1988.
Lua MLA (8ú heag.)Althoff, K. W. The Legend of the Nutcracker and Traditions of the Erzgebirge. 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.