APA-referens (7:e uppl.)

Gleim, G. A. (1971). Electronic data processing systems and procedures. Prentice-Hall, Inc.

Chicago-referens (17:e uppl.)

Gleim, George A. Electronic Data Processing Systems and Procedures. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1971.

MLA-referens (9:e uppl.)

Gleim, George A. Electronic Data Processing Systems and Procedures. Prentice-Hall, Inc, 1971.