APA stil citiranja

Heyel, C. (1969). Computers, office machines, and the new information technology: Computers, office machines, and the new information technology (1. izd.). London: Collier-MacMillan Limited - London.

Chicago stil citiranja

Heyel, Carl. Computers, office machines, and the new information technology: Computers, office machines, and the new information technology. 1. izd. London: Collier-MacMillan Limited - London, 1969.

MLA stil citiranja

Heyel, Carl. Computers, office machines, and the new information technology: Computers, office machines, and the new information technology. 1. izd. London: Collier-MacMillan Limited - London, 1969.