APA-referens (7:e uppl.)

Purcell, E. J. (1984). Calculus with analytic geometry (4th ed.). National Book Store.

Chicago-referens (17:e uppl.)

Purcell, Edwin J. Calculus with Analytic Geometry. 4th ed. Manila: National Book Store, 1984.

MLA-referens (9:e uppl.)

Purcell, Edwin J. Calculus with Analytic Geometry. 4th ed. National Book Store, 1984.