Παραπομπή APA

Townsend, C. (1988). Introduction to Turbo prolog. B P B.

Παραπομπή Chicago Style

Townsend, Carl. Introduction to Turbo Prolog. New Delhi: B P B, 1988.

Παραπομπή MLA

Townsend, Carl. Introduction to Turbo Prolog. B P B, 1988.