APA-referens (7:e uppl.)

Orilia, L. S. (1982). Introduction to business processing (2nd.). McGraw-Hill co..

Chicago-referens (17:e uppl.)

Orilia, Lawrence. S. Introduction to Business Processing. 2nd. New York: McGraw-Hill co., 1982.

MLA-referens (9:e uppl.)

Orilia, Lawrence. S. Introduction to Business Processing. 2nd. McGraw-Hill co., 1982.