APA-referens (7:e uppl.)

Riddle, D. F. (1970). Calculus and analytic geometry. Wadsworth.

Chicago-referens (17:e uppl.)

Riddle, Douglas F. Calculus and Analytic Geometry. Belmont, Calif.: Wadsworth, 1970.

MLA-referens (9:e uppl.)

Riddle, Douglas F. Calculus and Analytic Geometry. Wadsworth, 1970.