APA stil citiranja

Gregory, R. H. (1963). Automatic data-processing systems: Automatic data-processing systems : principles and procedures (2. prom. izd.). Belmont: Wadsworth Publishing Company, Inc.

Chicago stil citiranja

Gregory, Robert H. Automatic data-processing systems: Automatic data-processing systems : principles and procedures. 2. prom. izd. Belmont: Wadsworth Publishing Company, Inc, 1963.

MLA stil citiranja

Gregory, Robert H. Automatic data-processing systems: Automatic data-processing systems : principles and procedures. 2. prom. izd. Belmont: Wadsworth Publishing Company, Inc, 1963.