Παραπομπή APA

Welsh, J., & Elder, J. (1982). Introduction to pascal/2nd ed (2nd ed.). Prentice-Hall of India.

Παραπομπή Chicago Style

Welsh, Jim, και John Elder. Introduction to Pascal/2nd Ed. 2nd ed. New Delhi: Prentice-Hall of India, 1982.

Παραπομπή MLA

Welsh, Jim, και John Elder. Introduction to Pascal/2nd Ed. 2nd ed. Prentice-Hall of India, 1982.