APA-referens (7:e uppl.)

Schroeder, A. (2009). The Snowball. Bloomsbury.

Chicago-referens (17:e uppl.)

Schroeder, Alice. The Snowball. New Delhi: Bloomsbury, 2009.

MLA-referens (9:e uppl.)

Schroeder, Alice. The Snowball. Bloomsbury, 2009.