Παραπομπή APA

Peter, R. (1967). Recursive functions.-3rd ed (3d ed.). Academic press.

Παραπομπή Chicago Style

Peter, Rozsa. Recursive Functions.-3rd Ed. 3d ed. New York: Academic press, 1967.

Παραπομπή MLA

Peter, Rozsa. Recursive Functions.-3rd Ed. 3d ed. Academic press, 1967.