ORILIA, L. S. (1982). Introduction to business data processing. McGraw-Hill.
Chicago-čujuhus (17. p.)ORILIA, Lawremce S. Introduction to Business Data Processing. New York: McGraw-Hill, 1982.
MLA-čujuhus (9. p.)ORILIA, Lawremce S. Introduction to Business Data Processing. McGraw-Hill, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.