APA-referens (7:e uppl.)

Casella, G. (2002). Statistical inference (2nd. ed.). Wadsworth Group.

Chicago-referens (17:e uppl.)

Casella, George. Statistical Inference. 2nd. ed. Pacific Grove, CA., USA: Wadsworth Group, 2002.

MLA-referens (9:e uppl.)

Casella, George. Statistical Inference. 2nd. ed. Wadsworth Group, 2002.