APA-viite

Heft. W.F. (1998). Computing with mathematics. Addison Weisely.

Chicago-tyylinen lähdeviittaus

Heft. W.F. Computing with Mathematics. New York: Addison Weisely, 1998.

MLA-viite

Heft. W.F. Computing with Mathematics. Addison Weisely, 1998.