Παραπομπή APA

Donovan, J. J. (1972). Systems programming. Mc Graw - Hill.

Παραπομπή Chicago Style

Donovan, John J. Systems Programming. New Delhi: Mc Graw - Hill, 1972.

Παραπομπή MLA

Donovan, John J. Systems Programming. Mc Graw - Hill, 1972.