Schroeder, A. (2009). The Snowball. Bloomsbury.
Chicago-čujuhus (17. p.)Schroeder, Alice. The Snowball. New Delhi: Bloomsbury, 2009.
MLA-čujuhus (9. p.)Schroeder, Alice. The Snowball. Bloomsbury, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.