Παραπομπή APA

Carl Townsend. (1987). Introduction to Turbo Prolog. BPB.

Παραπομπή Chicago Style

Carl Townsend. Introduction to Turbo Prolog. BPB, 1987.

Παραπομπή MLA

Carl Townsend. Introduction to Turbo Prolog. BPB, 1987.