Althoff, K. W. (1988). The legend of the Nutcracker and Traditions of the Erzgebirge.
Citazione stile Chigago Style (17a edizione)Althoff, K. W. The Legend of the Nutcracker and Traditions of the Erzgebirge. Minnesota, 1988.
Citatione MLA (8a ed.)Althoff, K. W. The Legend of the Nutcracker and Traditions of the Erzgebirge. 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.