Παραπομπή APA

Welsh, J. (1987). Introduction to PASCAL.- 2nd ed. Prentice Hall.

Παραπομπή Chicago Style

Welsh, Jim. Introduction to PASCAL.- 2nd Ed. New Delhi: Prentice Hall, 1987.

Παραπομπή MLA

Welsh, Jim. Introduction to PASCAL.- 2nd Ed. Prentice Hall, 1987.