Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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