APA-referens (7:e uppl.)

Colbert, D. A. (1968). Data processing concepts. McGraw-Hill Book Co., Inc.

Chicago-referens (17:e uppl.)

Colbert, Douglas A. Data Processing Concepts. New York: McGraw-Hill Book Co., Inc, 1968.

MLA-referens (9:e uppl.)

Colbert, Douglas A. Data Processing Concepts. McGraw-Hill Book Co., Inc, 1968.