APA-referens (7:e uppl.)

ASHLOCK, R. B. [. a. (1987). General mathematics. Merril Pub.

Chicago-referens (17:e uppl.)

ASHLOCK, Robert B. [et al]. General Mathematics. Ohio: Merril Pub, 1987.

MLA-referens (9:e uppl.)

ASHLOCK, Robert B. [et al]. General Mathematics. Merril Pub, 1987.