APA-referens (7:e uppl.)

ORILIA, L. S. (1982). Introduction to business data processing. McGraw-Hill.

Chicago-referens (17:e uppl.)

ORILIA, Lawremce S. Introduction to Business Data Processing. New York: McGraw-Hill, 1982.

MLA-referens (9:e uppl.)

ORILIA, Lawremce S. Introduction to Business Data Processing. McGraw-Hill, 1982.